They, along with other artists, lent their talents to the annual 4th of July tradition in New York City.
See how your favorite stars are partying it up on July 4.
The "Thinking Out Loud" singer joins the British rock legends onstage on Saturday night (June 27).
Hilary demonstrates her breath control with an acoustic rendition of her 'Breathe In. Breathe Out' track, 'Tattoo.'
"This is like, the best thing that’s ever happened to me," 13-year-old Sydney Bourbeau said.
"Most of the people that are successful started life off as a weird kid with no friends," he told the Hollywood Reporter.
Ellie Goulding admits she did go on a few dates with Niall Horan, but she wasn't in a relationship with Ed Sheeran at the time. Or ever.
Next up for the crooner: a deal with Def Jam.
In boiled down to just two words in an interview on 'The Breakfast Show.'
Sam Smith, Miley Cyrus, JK Rowling and more respond to Ireland's passing of gay marriage.