Sia, 41, is an Australian singer/songwriter by day, and a magical pony by night, as it turns out. “Rainbow,” which appears on the soundtrack for My Little Pony: The Movie (Oct. 6), is simply gorgeous ...

Sia is bringing some sunshine to the My Little Pony: The Movie soundtrack, with her uplifting new single "Rainbow" that was released Friday. By Bryan Rolli Sia is bringing some sunshine to the My ...

Did you know there’s a My Little Pony movie coming out? Sia is in it—she voices a pop star pony with an unruly black-and-white mane. She also contributed an uplifting song called “Rainbow” to the ...

Sia can totally work the My Little Pony look. The famously bewigged pop star is getting animated in My Little Pony: The Movie, which hit theaters Friday. Sia’s adorable character in the film, Songbird ...