Is this a future MTV theme song in the making? Hilary Duff is finally here with her long-awaited (by some) comeback album. The lead single, “Chasing the Sun,” was co-written by Colbie Caillat and leaked online Monday (July 28).

Duff was releasing the official video on Tuesday (July 29) anyway, so you can hear the actual version — and see the video — all legally.

Acting-wise, the “Lizzie McGuire” star has filmed a couple of TV guest spots in the past few years but has mostly stayed out of the spotlight with her (now-ex) husband Mike Comrie and son Luca, although she’s set to star alongside Sutton Foster in TVLand’s new sitcom, “Younger.”

Musically, Duff’s “Come Clean” lives on as one of the best reality show theme songs of all time, but she hasn’t released an album since 2008’s “Best of Hilary Duff” — leaving her musical legacy to live on solely in “Laguna Beach” repeats (until now).

Check out the video above.

Posted by:Jean Bentley