Lady Gaga attends Britney Spears' show

Fans at Britney Spears' concert in New Jersey on Saturday night got more than they bargained for - fellow pop star Lady Gaga was in attendance at her show.

While on stage in Atlantic City, the 29-year-old singer revealed that Gaga, 25, real name Stefani Germanotta, was among the audience, according to E! Online.

Britney told the crowd: "I have a very special guest tonight... Lady Gaga is here."

Spears later tweeted about the gig, thanking the You and I singer for supporting her.

She wrote: "So amazing to have the beautiful @LadyGaga at the show in AC tonight. Love you girl."

The Judas hitmaker was said to have enjoyed the concert, especially Britney's performance of I Wanna Go.

Advertisement