When it comes to music, these girls have it all. They can sing. They can dance. And they can act — err, wait a minute on the last one. Sadly, a powerful voice, a magnetic personality in interviews, or killer dance moves in music videos doesn’t mean a pop star has what it takes to be an actress. With practice, some do get better. But if their big screen debuts are any precursor, some of them better stick to their main gig and leave the acting to the professionals.
Check out the 10 worst big screen debuts from your favorite female pop stars, including Britney Spears, Rihanna, and Taylor Swift. (Oh yeah, the latter is making her return to the big screen in The Giver, co-starring Meryl Streep, in theaters this weekend.)