20,000 fans singing Happy Birthday to Lady Gaga

All the monsters at the MB in Staples center sings Happy Birthday after she performed Born this Way as the encore and last song.

• 2011-03-30T00:03:28+00:00
• Duration: 02:17

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Keywords

Music , lady gaga, staples center, los angeles, monster ball , birthday , happy birthday, birthday cake , little monsters, Staples Center , Sings , Happy , Birthday To, Lady GaGa, Lady Gaga 25 celebrated