WATCH: Zac Efron Finally Reacts To Ex Vanessa Hudgens' Pregnancy News

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Zac Efron got candid about his feelings on ex Vanessa Hudgens' pregnancy with husband Cole Tucker at the premier of Netflix original film A Family Affair on Thursday (June 13). The Neighbors alum dated Hudgen's while filming High School Musical in 2006, and the pair called it quits two years after the release of High School Musical 3: Senior Year in 2010.

Efron spoke to Access Hollywood on the red carpet about High School Musical leading ladies Vanessa Hudgens and Ashley Tisdale becoming mothers, offering a glowing review of each star's character.

"They are going to be the best moms ever. Those girls...are you kidding me? Oh my gosh yeah... we're going to have some fun family reunions coming up."

Hudgens announced her pregnancy during a red carpet event at this year's Oscars, debuting her growing baby bump in a sleek, form-fitting, high-neck, black gown. This will be Hudgen's and Tuckers first child together. A due date has yet to be announced as the lovebirds, and the rest of the world await the arrival of their precious child.

Tisdale, already a mother to one, is currently pregnant with her second child with husband, Christopher French per Page Six.

As for Efron, he revealed that he doesn't really have any relationship rules at the moment, and that he's "just chillin'."