Usher, Lady Gaga, Stevie Wonder and Bono from U2 were among the performers who lended their musical talents to Bill Clinton’s “A Decade of Difference” concert in Los Angeles Saturday night (Oct 15).

The event, held in celebration of the former U.S. president’s William J. Clinton Foundation, also served as an event to honor Clinton’s 65th birthday, and features appearances from Ashton Kutcher, Ellen DeGeneres, Lindsay Lohan and others, as well as a performance from Kenny Chesney and Grace Potter.

Check out the pics below!

Over 83 million people tuned in last Friday night (Jan 22) to catch the Hope for Haiti Now telethon, which aired live and commercial-free on several major networks and was also streamed real-time online. The effort was spearheaded by MTV Networks, actor George Clooney and rapper/singer Wyclef Jean (who is from Haiti himself) in an effort to raise awareness and relief for the troubled country of Haiti, who suffered a massive earthquake earlier this month. According to recent numbers, over $61 million in pledges were made by members of the general public. Organizers will continue to take contributions for the next six months.

Celebrities who helped out by either performing or taking phone calls from pledges (or both) included Jay-Z, Rihanna, Bono from U2, Taylor Swift, Denzel Washington, Beyonce, Jennifer Hudson and tons more. Continue reading for more pictures and click here to peep the performances if you missed them last week.

PHOTOS: GETTY IMAGES / WIRE IMAGE

Big name stars like Beyonce, Madonna, Jay-Z, Rihanna and more are scheduled to perform in what’s beginning to look like a dress rehearsal for the upcoming 2010 Grammy Awards.

The stars mentioned, among others, will take part in a two-hour televised telethon today (Fri. Jan 22) called “Hope for Haiti Now: A Global Benefit for Earthquake Relief.” The show will air on all major cable networks beginning at 8 p.m. Eastern and will feature musical performances from all over the world from folks like Bruce Springsteen, Sting, Shakira, Taylor Swift, Stevie Wonder, Justin Timberlake and proud Haiti native Wyclef Jean.

The show, which in the United States will begin at 8 p.m. Eastern time on all the major networks and on cable channels, is to feature musical performances from multiple locations: Bruce Springsteen, Sting, Shakira and Wyclef Jean will play in New York, while in London Bono and the Edge of U2 will collaborate with Jay-Z and Rihanna, with Coldplay also slated to perform. The program in Los Angeles is to include performances by Stevie Wonder, Taylor Swift and Justin Timberlake and a collaboration among Keith Urban, Kid Rock and Sheryl Crow. Songs from the telethon will be for sale on iTunes for 99 cents beginning Saturday, will all proceeds going to a number of relief organizations.

SOURCE: NY TIMES

All of the big celebrities came out for the launch party celebrating the official opening of Vevo, a brand new new music video website owned by Sony Music, Universal, EMI and Abu Dhabi Music Company. The site itself is hosted by Youtube, Sony and Google and currently features video content from artists on Universal. Folks like Rihanna, Ciara, 50 Cent, Mariah Carey, Lady Gaga, Adam Lambert, a number of record label executives and more all showed up for the big launch party for the new site Tuesday night (Dec 8) at the Skylight Studio in New York City.

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PHOTOS: GETTY / WIRE

Rapper Jay-Z came out and spat some verses as he performed “Sunday Bloody Sunday” with U2 in front of Berlin’s Brandenburg Gate during the 2009 MTV EMAs (Europe Music Awards) in Germany. This comes just a few days short of the 20th anniversary of the fall of the Berlin wall (Nov 9th).

U2 partnered up with MTV Europe and performed a free concert to help the city celebrate the 20th anniversary of the fall of the Berlin Wall.

Continue reading for the video of the performance!

Aretha Franklin, Lenny Kravitz, Ozzy Osbourne and the Black Eyed Peas took part in helping the Rock & Roll Hall of Fame celebrate their 25th birthday Friday night (Oct 30) at New York City’s Madison Square Garden.

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