Hollywood was buzzing Wednesday night with the grand opening of its latest hot spot, Lexington Social House, and RadarOnline.com has all the photos.

Mario Lopez and girlfriend Courtney Mazza mingled on the venue’s luxurious outside patio with Celebrity Apprentice star and rapper Lil Jon, who munched on fried chicken and mashed potatoes.

PHOTOS: Stars Flock To Lexington Social House

Jaime King, Odette Yustman, Amy Smart, Alan Cumming, Ashley Scott and Hangover 2 star Jamie Chung were also at the party.

No, we're not being disrespectful to the former Commander-in-Chief. President William Jefferson Clinton is making a cameo appearance in Hangover 2, RadarOnline.com has learned.

PHOTOS: It's A Love Match For Chelsea Clinton & Marc Mezvinsky At US Open

Clinton will play himself in the comedy, People is reporting. He filmed his scene in Bangkok, Thailand Saturday. The President was in the capital city to deliver a speech on clean energy.

VIDEO: Chelsea Clinton's Gala Wedding

Clinton joins the cast of stars who include Bradley Cooper, Ed Helms, Zach Galifianakis and Liam Neeson, who took over a role originally offered to Mel Gibson.

RELATED STORIES:

Cast & Crew Force Mel Gibson Out Of 'The Hangover 2'

CONFIRMED: Liam Neeson In, Mel Gibson Out Of Hangover 2

As Mel Gibson was unceremoniously ousted from making an appearance in the next installment of The Hangover, the film is now set to get another A-list actor - Liam Neeson, RadarOnline.com has confirmed.

PHOTOS: Oksana's Broken Teeth

"It's true pending clearance of cast and crew background check," Neeson's rep told RadarOnline.com.

The Clash of the Titans actor is filling Mel's shoes after Warner Brothers Pictures, Legendary Pictures and the film's director Todd Phillips revealed the controversial Oscar winner had lost the support of the cast and crew to make a cameo.

'The A-Team' Is An Action Packed Summer Blockbuster

Neeson told Daily Variety that his A-Team co-star Bradley Cooper, who will also return to the record-breaking film to star in The Hangover 2, reached out to him regarding the role.