The High School Musical stars get giddy during a visit to The Early Show in New York City. Plus: Tom & Katie, Kate Hudson, David Beckham and more

JOKING MATTER

They kick up their heels onscreen – and get a kick out of each other offscreen! High School Musical 3: Senior Year stars Vanessa Hudgens and boyfriend Zac Efron – who recently celebrated his 21st birthday – share a laugh during a visit to CBS's The Early Show Tuesday in New York City. Their movie hits theaters Oct. 24.