Madonna will join Seattle-based duo Macklemore & Ryan Lewis during their live performance of the gay marriage anthem Same Love at Sunday's Grammys.

According to US Weekly, Madonna and Macklemore will take the stage together at the Staples Center in Los Angeles.

Macklemore & Ryan Lewis received 7 Grammy nominations, including best new artist and best rap performance. Their second studio album The Heist is up for album of the year and best rap album. The single Thrift Shop is up for best rap song, while the video for Can't Hold Us is nominated for best music video.

Same Love is competing in the Song of the Year category against Just Give Me a Reason (Pink, featuring Nate Ruess), Locked Out of Heaven (Bruno Mars), Roar (Katy Perry) and Royals (Lorde).

At last year's MTV Video Music Awards, Jennifer Hudson put in a surprise performance, joining Macklemore & Ryan Lewis and vocalist Mary Lambert during their live performance of Same Love.