Sean "Diddy" Combs, Cameron Diaz and Alex Rodriguez chop it up at Diddy's Super Bowl Fantasy Party at Tower Building in Dallas, TX on February 5th 2011. (Photo: Johnny Nunez/Wire Image)

Who knew that Diddy and Cameron Diaz have been dating off and on since 2008? (And Isn’t he supposed to be with Cassie?)

A new report from US Weekly claims that the pair have been hooking up since Diddy first pursued Diaz during Oscars week back in 2008.

“Since then, when she’s single, she’ll booty call him,” an insider said.

On October 24th, the Hip-Hop mogul and the actress were “inseparable” and “they had their hands all over each other” in a booth at a New York restaruant, an eyewitness recalled.

Just two short weeks later on November 11th, Diddy and Diaz, who recently broke up with her boyfriend Alex Rodriguez of the New York Yankees, were seen “making out” and “acting romantic,” said another source.

Reps for both stars say that Diaz and Combs are “just friends” and were meeting to discuss a possible film project. They didn’t explain the “making out” and “acting romantic” part though.

But back to Cassie, who Combs has been rumoredly dating for the past few years. What’s up with that?

“Diddy’s single whenever there’s a better offer on the table!” a friend said.

Sounds like Diddy has a few “friends with benefits.” Play on playa!

Looks like things are heating up between Alex Rodriguez and Cameron Diaz! The new couple were spotted showing off their toned beach bodies as they frolicked in the surf in Miami Beach last week.

Check out the pics below!!

Photos: Celebuzz

Diddy partied with his stepson Quincy Brown (Kim Porter‘s oldest son) last night (Sat. Feb 5) in Dallas as the Hip-Hop mogul hosted the Capital A Entertainment Super Bowl Fantasy Party at Tower Building. Other celebs spotted at the shindig were Adrien Brody, Tommy Davidson, The Situation from “Jersey Shore,” and Alex Rodriguez & Cameron Diaz.

Check out 10+ pics from the party below!!

On again, off again couple Cameron Diaz and Alex Rodriguez were photographed as they left a restaurant after having lunch together on Satuday (Jan 15).

Rodriguez and Diaz left separately, but we noticed a smile on her face in spite of her dislike for paparazzi. Looks like all is going well with the two.

More pics of A-Rod and Cameron D. below!

Jay-Z and Coldplay helped the Cosmopolitan Hotel in Las Vegas celebrate its grand opening at the stroke of midnight on New Year’s Day (Sat. Jan 1) with a live concert held inside the hotel’s Marquee nightclub.

During Jay-Z’s set, he invited Chris Martin from Coldplay and musician John Mayer to the stage, as well as rapper Kanye West to perform alongside him. Jay-Z and his wife Beyonce also sang a duet of his “Forever Young” song later in the evening. Some of the celebrity attendees at the event included Alex Rodriguez, Brandy, Taraji P. Henson, Selita Ebanks, Channing Tatum, Christina Milian and more.

Check out 20+ pics from the red carpet and inside the concert, as well as video footage from a few of the performances, below and when you continue reading!

Your thoughts on the pics & the performances?

Professional baseball player Alex Rodriguez now has his own Pediatric Outpatient Center named after him. The New York Yankees Third Baseman, pictured above with Dr. Ram Kairam (Chief of Pediatrics) and Dr. Persaud Yudy, attended a dedication ceremony for the “Alex Rodriguez Pediatric Outpatient Center” at the Bronx-Lebanon Hospital Wednesday (Jun 30) in the Bronx Borough of New York City.

Rodriguez generously donated $250,000 to help fund the construction of the Bronx hospital’s new outpatient center, which offers treatment for cardiac illnesses, asthma, diabetes and neurological disorders, among other health issues in children.

“I am proud to support the children’s outpatient facility and Bronx-Lebanon’s efforts to care for the children of the Bronx community,” Rodriguez said in the press release.

“Our Bronx-Lebanon Hospital Center family truly appreciates Alex Rodriguez’s generosity,” said Bronx-Lebanon Hospital Center President and CEO Miguel A. Fuentes, Jr. “His strong support is translating into health care home runs for our hospital and the children of the Bronx community.”

Check out a few pics of A-Rod at the dedication ceremony for his new pediatric outpatient center at the Bronx-Lebanon Hospital in NYC below…

Supermodel Naomi Campbell was spotted making her way out to a boat at the exclusive Five Stars Luxury Hotel Eden Roc in Antibes, France earlier today (Thurs. May 20). She’s still living it up in Cannes, France with her billionaire boyfriend at the Cannes Film Festival.

Twin actresses Tia and Tamera Mowry were seen outside their uptown hotel in New York City Thursday afternoon.

Pop singer Rihanna posed for pictures and signed autographs outside her hotel in Glasgow, Scotland ahead of her performance tonight at the SECC for her “Last Girl on Earth” Tour.

Chad Ochocinco and his former dance partner Cheryl Burke were spotted making their way to NBC studios in New York City. The pair was voted off of “Dancing With the Stars” this week but remain close. Hmm…

Pro baseball player Alex Rodriguez looked to be on a serious mission as he left his house Wednesday afternoon (May 19). The New York Yankee is rumored to be courting actress Cameron Diaz.

Actor Cuba Gooding Jr. was spotted out and about while attending festivities for the 2010 Cannes International Film Festival in France.

Singer/actress Miley Cyrus stopped for a smoothie at Robeks Juice in Toluca Lake, Los Angeles.

And actress Meagan Good was happy to sign a few autographs for fans as she left My Studio nightclub in Hollywood Tuesday night (May 18).

We have to give Yankees slugger Alex Rodriguez some credit. Ever since he divorced his wife, A-Rod has been getting around big time! He’s laid the pipe on Madonna and now he’s moved on to actress Cameron Diaz! That’s right folks, Cameron Diaz is A-Rod’s latest fling… again? Check this out:

Cameron Diaz is back on Alex Rodriguez’s home turf after being linked to the Yankee slugger. The actress, who’s currently filming in LA with her ex, Justin Timberlake, flew to Miami last week and holed herself up at the W Hotel. But A-Rod has been busy at the stadium all week in New York. A source told us, “They’ve been hanging at A-Rod’s multimillion-dollar bungalow at W South Beach Residences in the past. He jets in and out of Miami all the time.”

SOURCE

The big question is will A-Rod take Ms. Diaz serious or will he have his fun with her and tell her to kick rocks like Justin Timberlake did?

Baseball slugger Alex Rodriquez is clearly enjoying every piece of the single life. OK! Magazine is now reporting that A-Rod has been getting in with actress Cameron Diaz:

“A-Rod and Cameron have been totally hooking up,” the insider dishes to OK!, adding in their obvious affection during the CAA party on Saturday night in Miami as further proof of their passion for each other. OK! brought fans the news yesterday of this super hot Super Bowl couple, who showed off their new chemistry with some hot dance moves while partying it up with Tom Cruise and Katie Holmes.

“They were having a great time,” a partygoer tells OK! while Cameron was “grinding on A-Rod.” According to the partygoer, a tipsy Cameron was being very, “fun and flirty,” with the Yankee player sitting on the couch beside her as she, “was dancing by herself and then turning into [Alex] some.”

We ain’t mad at ya A-Rod! Do your thing! Will he last with Ms. Diaz? We highly doubt it. But this is still a good look for the Yankee however long this fling lasts…

Alex Rodriguez of the NY Yankees, famous film director Spike Lee and former NBA player Reggie Miller were all spotted sitting courtside together last night (Tues Nov 24) as the Los Angeles Lakers took on the New York Knicks at the Staples Center in LA.

Actor Donald Faison and his girlfriend CaCee Cobb were also spotted in the crowd watching as the currently unstoppable Lakers (with their 11-3 record) defeated the Knicks with a final score of 100 to 90.

PHOTOS: GETTY / WIRE

Following the 2009 American Music Awards Sunday night (Nov 22) in Los Angeles, instead of going straight to the after parties, a few celebrities opted to walk across the street to see what was going on at the Staples Center as the Los Angeles Lakers took on the Oklahoma City Thunder.

The Lakers came out on top with a final score of 101 to 85 and folks like Jay-Z, Polow Da Don, Fergie, Alex Rodriguez and more were all there to witness it from their courtside seats. Continue reading for more pics!

Rapper Jay-Z and his BFF Alex Rodriguez (of the NY Yankees) sat courtside Friday night (Nov 6) at New York City’s Madison Square Garden as the Cleveland Cavaliers and the New York Knicks battled it out with a final score of 100 to 91, in Cleveland’s favor.

A-Rod’s teammate CC Sabathia, along with his wife Amber Sabathia, also enjoyed the game from the best seats in the house. Continue reading for more pics!

Hip-hop star Jay-Z and New York Yankees baseball player Alex Rodriguez (aka A-Rod) battled the cold NYC air as they rode down lower Broadway on top of a big float Friday afternoon (Nov 6). The Yankees were celebrating their big World Series win over the Philadephia Phillies in a 7-3 victory, which marks the Yankees’ 27th Major League Baseball title.

At the end of the parade, Jay-Z and Roc Nation artist Bridget Kelly performed he and Alicia Keys’ hit single, “Empire State of Mind” outside of City Hall.

These pics are a bit old but we know how you all love to see Jay-Z and his newly acquired nappy fro out and about. Jigga and his new accessory were spotted at last week’s (May 28) Cavaliers/Magic playoff game in Cleveland.

The Cavaliers defeated the Magic in that particular game, but were unable to stop the force of the Orlando, Florida team in the final play-off game of the season thi past Saturday night. But we’ll talk about that later when we post the new candids from Saturday’s game. But for now, enjoy these candid photos of Jay-Z, Alex Rodriguez and Lebron James at last Tuesday’s game.

PHOTOS: GETTY IMAGES // NATIONAL BASKETBALL ASSOCIATION