Singer Lady Gaga says she's engaged to actor Taylor Kinney

Feb 16 (Reuters) - Lady Gaga and her longtime boyfriend, actor Taylor Kinney, have become engaged, the singer said on social media on Monday.

"He gave me his heart on Valentine's Day, and I said YES!" Lady Gaga, 28, said on Instagram, displaying a photo of a heart-shaped ring.

She and Kinney, 33, have been dating for about four years, according to People magazine.

Lady Gaga, whose hits include "Poker Face" and "Bad Romance," recently won a Grammy Award for her album "Cheek to Cheek" with veteran singer Tony Bennett.

Kinney stars in the NBC series "Chicago Fire."