Shirtless Zac Efron and his brother, Dylan Efron, got wet and wild during a summer day at the lake with the latter's long-term girlfriend, Courtney King.

A lot has changed since High School Musical debuted on Disney Channel in 2006. Head back to East High to find out what Zac Efron, Vanessa Hudgens, Ashley Tisdale and more stars are up to now.

Zac Efron and his brother Dylan Efron spend some quality time together, making content while swimming in a lake in an Instagram post shared Tuesday, July 1.

Keith Urban abruptly ended an interview with Australian radio hosts when asked questions about Nicole Kidman's sex scenes with Zac Efron.

Keith Urban abruptly ended a radio interview when asked about Nicole Kidman's sex scenes with Zac Efron.

Country star seemingly didn't like being quizzed about wife's 'A Family Affair' romps with Zac Efron.

Keith Urban abruptly ended a radio interview when asked about Nicole Kidman's sex scenes with Zac Efron.

Keith Urban appeared to end a radio interview when asked about Nicole Kidman's romantic scenes in 'A Family Affair' with Zac Efron ...

He then asked Urban what he thought when he would see his "beautiful wife with beautiful younger men like Zac Efron, having these beautiful love scenes?" Burford then notes that the Zoom call had ...