Vanessa Hudgens' attends her birthday dinner at Social House at CityCenter on December 18, 2010 in Las Vegas, Nevada.

More : Zac Efron and Vanessa Hudgens "Charlie St. Cloud" - Los Angeles Premiere - Red Carpet

Zac Efron and Vanessa Hudgens "Charlie St. Cloud" - Los Angeles Premiere - Red Carpet

Vanessa Hudgens and Zac Efron arrive at the premiere of Universal Pictures' 'Charlie St. Cloud' held at the Regency Village Theatre on July 20, 2010 in Westwood, California.

Zac Efron and Landon Donovan - 18th Annual ESPY Awards - Backstage And Audience

Zac Efron arrives at the 2010 ESPY Awards at Nokia Theatre L.A. Live on July 14, 2010 in Los Angeles, California.

Zac Efron at the Dodgers Game.

More Pics : Zac Efron and Vanessa Hudgens seen backstage at the 2010 MTV Movie Awards.

More : Vanessa Hudgens and Zac Efron arrive at the premiere of 'Get Him To The Greek' (May 25)

Vanessa Hudgens and Zac Efron arrive at the premiere of 'Get Him To The Greek' (May 25)

Zanessa at Nylon Young Hollywood Party (May 12).

Zac Efron and Vanessa Hudgens arrive at NYLON'S May Young Hollywood Event at Roosevelt Hotel on May 12, 2010 in Hollywood, California.

More Pics : Vanessa Hudgens and Zac Efron NYLON + YouTube May Young Hollywood Party

Vanessa Hudgens and Ashley Tisdale: NYLON + YouTube May Young Hollywood Party

Zac Efron Covers The COVER for STARS Issues - Cover Pic (*June 2010. Japan)

Zac Efron Covers The COVER for STARS Issues - Cover Pic (*June 2010. Japan)

Update (more) : Vanessa Hudgens & Alex Pettyfer, Beastly Promotional Photos [HQ]

Update : Vanessa Hudgens & Alex Pettyfer, Beastly Promotional Photos [HQ]

Beastly New Stills (Vanessa Hudgens, Alex Pettyfer,)

Vanessa Hudgens Covers Girl's CELEB June 2010 (*Japan)