Zac who?

Vanessa Hudgens and actor/model Austin Butler stole a few late night kisses over the weekend, and RadarOnline.com has the picture for you.

The gorgeous 22-year-old High School Musical star, who once dated co-star Zac Efron, was seen at the iconic Bob's Big Boy diner in beautiful downtown Burbank early Sunday with the Switched At Birth star, 20.

Gorgeous Vanessa Hudgens was seen surfing off Hawaii's Waikiki Beach Sunday, as the High School Musical hottie is in the islands shooting Journey 2: The Mysterious Island, and RadarOnline.com has all the pictures for you.

PHOTOS: Vanessa Hudgens Hangs Ten In Hawaii

Hudgens, 21, waded, surfed and paddled in the water, clad in a shirt and bikini bottoms, as she negotiated with the tide and waves on the sunny day in the island paradise.