Time — Is this 2015's song of the summer? more info

Perez Hilton — What a perfect way to kick off the summer! On Saturday, Britney Spears and Iggy Azalea's much anticipated single, Pretty Girls, was released. [ Related: Britney & Iggy Are Crimped, Tanned, And So '80s While Filming Pretty Girls In The Valley! ] How E... more info

Perez Hilton — Britney Spears can really rock a cast! On May 1, Brit shared the first snap of her sprained ankle, an accident which caused her to cancel two of her Las Vegas shows. [ Related: Britney Says Her 'Fans And Romance Novels' Make Her The Most Happy! ] In ... more info

L.A. Times - Entertainment — Britney Spears has canceled several dates of her "Piece of Me" concert residency in Las Vegas after slipping and injuring her foot onstage. more info

L.A. Times - News — more info

Reuters — (Reuters) - Pop star Britney Spears has canceled two of her Las Vegas shows after injuring her ankle in a fall during a performance. more info

MTV.co.uk News — Hurrah, yet another app we can become obsessed with… more info

The Independent — Another day, another pop star dramatically falls onstage. more info

MTV.co.uk News — The 'Womanizer' singer has been advised by doctors to give this weekend's shows a miss... more info

Time — Footage shows Spears kicking and high-stepping on high-heels before her left ankle gives way more info