Hell of a guest list at Ciara's 30th birthday ... with 2/3 of Destiny's Child, Serena Williams, Lala Anthony ... a special guest appearance from the BATMOBILE!!!
It all went down at the Warner Bros. lot -- where the superstars put on their best superhero costumes to help Ciara ring in her 30th bday.
Beyonce was Storm from "X-Men," Kelly Rowland was not Beyonce, Lala was a mixture of Wonder Woman and Captain America ... and Serena -- well, she went as the greatest tennis player alive.
Batmobile though .. pretty awesome.
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