Gaga's sexy sparklers! Rihanna's slick shades! Zac's ripped abs! Check out the most amazing star shots of the year.
JUMP ON IT
Don't mess with The Piven! The Entourage actor launches his assault against WWE star John Cena while guest-hosting Monday Night Raw at the Mohegan Sun Arena in Uncasville, Conn. Piven was at the event to promote his upcoming film, The Goods: Live Hard, Sell Hard, which hit theaters Aug. 14.
MAN HUNT
Look who's on the prowl! Zac Efron gets ready to make his move – and bares his ripped abs! – while on the Burnaby, British Columbia, set of The Death and Life of Charlie St. Cloud in August.
TOTALLY '80S
Are they headed to a Madonna concert? Costars Sarah Jessica Parker and Kim Cattrall are the picture of '80s chic in September while filming the sequel to Sex and the City in Manhattan.
GOT CRAVINGS?
All she needs is the ice cream! Kendra Wilkinson enjoys a Girls Next Door reunion – and a salty snack – during her September baby shower, thrown by pals Holly Madison and Bridget Marquardt (not pictured) at a private residence outside of Los Angeles.
VISIONARY LOOK
Wanna pucker up to this look? A fashion-savvy Rihanna does as she rocks one stylish pair of shades at Intermix's Fashion's Night Out celebration in New York City. The bash was part of a worldwide initiative to celebrate fashion and restore consumer confidence.