Britney Spears and Jason Trawick are getting married!

“Yes, we are engaged,” Jason confirmed with Access Hollywood today, adding that he and Britney are “over the moon.”

According to US Weekly, Trawick popped the question last night (Thu. Dec 15) during a romantic dinner for his 40th birthday.

Jason and Britney plan on celebrating their engagement tonight at Planet Hollywood in Las Vegas, a source revealed to the magazine.

“This is something they’ve both wanted for a long time,” the source explained to US Weekly. “It’s a way to cement their family. They’re both extremely happy and can’t wait to become man and wife.”

Spears hinted at the big news earlier in the day with the following tweet:

[blackbirdpie url=”http://twitter.com/#!/britneyspears/status/147707821016891392″]

When Britney and Jason make it official, this will make Britney’s third time walking down the aisle, but only her second official “marriage.”

Britney famously wed her childhood friend Jason Alexander in 2004 in Las Vegas, but the marriage was quickly annulled within 55 hours.

Britney Spears and Jason Trawick first met back in 2006 when Trawick started representing the 30-year-old Pop singer while she was still married to Kevin Federline.

After Brit and K-Fed divorced in 2006, followed by Britney’s personal struggles in 2007 and 2008, Trawick proved himself to be a true friend to Britney, and “was one of the only people who stuck by her through everything,” a source told US Weekly earlier this year.

Jason is said to be great with Britney’s kids too. “They look up to him so much — they adore him. He’s their hero.”

She continued, “We have such a great time together! He makes me laugh, and we are so comfortable being ourselves. I’ve never been happier.”