Speaking with Andy Cohen, Dylan Efron weighed in on Ashley Tisdale blasting her former group of "toxic" mom friends.

Traitors alum Dylan Efron weighed in on Ashley Tisdale’s toxic mom group drama, sharing that she has always been “so sweet” ...

Traitors alum Dylan Efron weighed in on Ashley Tisdale’s toxic mom group drama, sharing that she has always been “so sweet” ...

All I know is Ashley, since I was a kid, she’s been so sweet to me," Efron said during an appearance on 'Watch What Happens ...

Dylan Efron isn’t claiming mama’s boy status -- but he is stepping up big time to back Ashley Tisdale in the middle of that ...

Asked about the viral fallout on “Watch What Happens Live with Andy Cohen,” Efron was somewhat clueless — but insisted ...

High School Musical turns 20. The original cast looks back on its breakout success, soundtrack dominance, and lasting fandom.

Ashley TIsdale, Reese Witherspoon, Chad Michael Murray, Bette Midler and more couldn't resist getting back into character ...

Disney star Ashley Tisdale honored the "High School Musical" 20th anniversary in the best way: by trying on her iconic outfits from the film.

First, Tisdale ruffled the full skirt of Sharpay’s turquoise “Bop To The Top” dress, adding metallic silver peep-toe heels.

"High School Musical" made Disney history 20 years ago, with a teen cast including Zac Efron, Vanessa Hudgens, Ashley Tisdale ...

The mom group drama rages on, with Hilary Duff taking a swipe at her sister, Haylie Duff after she seemingly sided with ...