Fans were in for a surprise as Hollywood hunks Hugh Jackman and Daniel Craig decided to drop in during Oprah Winfrey's shoot unannounced.

The talk show queen was taping her show at the famous Central Park here when the actors made an appearance, as fans clamoured to have a good look at them.

The two leading men made a surprise appearance, welcoming Oprah Winfrey to the city while plugging their new show.

They were followed by singer Mariah Carey, who sang a ballad from her new album.

Mariah chatted about her upcoming movie, Precious sitting next to her husband, Nick Cannon.

Winfrey, who chatted with fans during commercial breaks, revealed the latest entry in her wildly popular book club: a collection of short stories by Nigerian-born Jesuit