Justin's Latest Gal Pal -- His Mom

Cameron hangs ten with surfer Kelly Slater in Hawaii, while Justin was caught partying with... his mom!

According to TMZ.com, after his concert, JT headed over to Vegas hotspot Jet Nightclub at the Mirage for a wild birthday bash for his mom, Lynn. With a 30-person entourage in tow, Timberlake headed right for the VIP section, where the Jack Daniels and Dom Perignon flowed.

Justin and mom partied till the wee hours with Eva Longoria and Alyssa Milano. Then, towards the end of the night, the mama's boy sang "Happy Birthday," and the DJ played his hit single, "Sexy Back."

For all those Justin haters, how can you hate him now?