Ariana Grande did an impromptu cover of Hilary Duff's song 'Why Not' on Instagram, and got the Disney icon's approval!

Released in the early 2000s, "Why Not" was featured in the soundtrack for Disney's The Lizzie McGuire Movie, in which Duff ...

Ariana Grande recently performed a rendition of Hilary Duff’s 2003 single Why Not in a promotional clip for her brand, r.e.m.

An entire generation has watched Hilary Duff grow up on screen. Like many of her Hollywood peers, Duff cut her acting teeth on the Disney Channel, playing the title character on the network's hit ...

It's been 21 years, but Chad Michael Murray is still head over heels for Hilary Duff, his costar in the swooning teen romance ...

Stephen Colbert asked on “ The Late Show.” “Why not?” Smith responded. Smith has been a sports commentator for over two decades, which has included a series of contracts for shows on ESPN.

As the death toll mounts in central Texas from the catastrophic flash flooding on July 4, Texan celebrities like Matthew McConaughey and Hilary Duff are speaking out and offering support.

Texas-born celebs like Matthew McConaughey and Hilary Duff react to the Texas Flash Flood disaster over Fourth of July weekend.

Hilary Duff on a plane @hilaryduff/Instagram It's unclear whether Duff ever made her presence known to the girl and her family, or if it remained a mystery.

Celebrities such as Matthew McConaughey, Jennifer Garner, Hilary Duff and more are sharing their devastation and offering prayers to the victims of the flash floods in Texas.

While flying to Montana, Hilary Duff spotted her iconic series Lizzie McGuire playing on a girl's iPad one row in front of her "Not a clue I was sitting behind her," Duff wrote on her Instagram ...

Hilary Duff is stunning in her striped bikini for a sunkissed beach day, but her physique is sparking a birthing question.