Forget about staying home to mope over her split with Tony Romo! Jessica Simpson was in a good mood Wednesday when she toasted her close pal and hairstylist Ken Paves for his birthday at Hollywood hotspot Beso.
Paves was surrounded by many famous friends at the restaurant’s private Kiss Lounge, including Eva Longoria – who co-owns Beso – Kim Kardashian, Mario Lopez and girlfriend Courtney Mazza, Joe and Tina Simpson, Cacee Cobb and Donald Faison.
“Everyone was hanging out, having a good time. There was a ton of food from Beso, tons of cocktails and everyone was dancing up a storm and hanging out with friends,” a guest at the 50-person party tells PEOPLE.
“Jessica was hanging out with Ken and having a good time dancing. She was laughing all night long, she was definitely having a great night,” says the source. “She seemed happy and fine.”
Simpson, 29, hung out with Kardashian, who is also newly single, as well as former assistant and good pal Cacee Cobb. She also got in some mother-daughter time with mom Tina, who was sitting at her table. “[Jessica] really was in a good mood,” says the source.
At midnight, a cake with sparklers was brought out to 50 Cent’s “It’s Your Birthday,” and everyone sang “Happy Birthday.” “Ken was really touched and thanked everyone for coming,” added the source.
Simpson stayed until the very end of the night and was the last one to leave, along with Paves, just before 2 a.m.