Former American Idol winner Carrie Underwood has reportedly split from her actor boyfriend Chace Crawford.

The couple has been dating since last summer but did not go public with their romance until October.

And now U.s. magazine Us Weekly is reporting that the pair has decided to separate.

Underwood's representative was not available for comment, while Crawford's declined making a statement.

Gossip Girls star Crawford was recently forced to deny rumors of a romance with former 'N Sync star J.c. Chasez - insisting, "For the record, we're both straight. We're not dating "