Christina Aguilera Purrs At Perez Hilton’s Birthday Party

Sure, Christina Aguilera is mom to a little boy. But that doesn’t mean she can’t squeeze into a daring leopard print bodysuit and hit the town now and then.

A flawless-looking Aguilera catwalked her way into gossip columnist Perez Hilton’s 31st birthday party at the infamous Viper Room in West Hollywood on Saturday night.

Life isn’t all partying for Aguilera, lately.

Beside raising son Max Liron with her husband, record exec Jordan Bratman, she’s also working on her next album. It will be the follow-up to her recent greatest hits disc.

Xtina is recruiting some guest stars for her newest effort, and not the usual hip-hop artists that are asked to rap a few lines for the remix.

Aguilera is working with Australian singer Sia (of Six Feet Under’s “Breathe Me” fame) for the new, as yet untitled, record.

As evidenced by what she wrote on her blog, Sia is a HUGE Aguilera fan.

“I definitely pooped my pants when she first sang out loud in the room with us,” 33 year-old Sia wrote in her blog. “I love her. She’s a nice person. A good person. An awesome mama. An incredible talent. Incredibly professional. A feminist. A rad role model for women who want to believe we can have it all, do it all.”

That’s all well and good, but it’s unfortunate that she needed a diaper to meet her idol.