"Single Ladies (Put a Ring on It)" is a song by American R&B singer Beyoncé Knowles, composed by Christopher Stewart, Terius Nash, Kuk Harrell and Knowles for her third solo album, I Am... Sasha Fierce. The song was released as the album's second single after her worldwide hit "If I Were a Boy". It was a critical and commercial success, becoming Knowles' fifth solo single to pe... (展开全部) "Single Ladies (Put a Ring on It)" is a song by American R&B singer Beyoncé Knowles, composed by Christopher Stewart, Terius Nash, Kuk Harrell and Knowles for her third solo album, I Am... Sasha Fierce. The song was released as the album's second single after her worldwide hit "If I Were a Boy". It was a critical and commercial success, becoming Knowles' fifth solo single to peak at number one on the Billboard Hot 100, and peaking in the top 10 in various countries.