*Actress Maya Rudolph has joined the cast of the tentatively titled “Bridesmaids” (aka. “Untitled Kristen Wiig Project”).

Due in theaters May 12, 2011, the Universal Pictures project centers on two women battling to plan their friend’s wedding party. Rudolph will play the bride Lillian to Kristen Wiig’s bridesmaid Annie, reports Production Weekly.

Paul Feig (TV’ s “Arrested Development,” “Nurse Jackie”) directs from a script by Wiig and Annie Mumolo.

Former “Saturday Night Live” members Rudolph and Wigg also co-star in the upcoming comedy “MacGruber” opening next month.