Keke Palmer: Worldwide Day of Play & 'Joyful Noise' Trailer!

Keke Palmer gets ready to climb a towering rock wall as she participates in the 2011 Worldwide Day of Play held at the Ellipse on Saturday afternoon (September 24) in Washington, D.C.

The 18-year-old actress was also spotted at the 2011 Worldwide Day of Play Gala held at the W Hotel on Friday night (September 23).

Also just released — the Joyful Noise trailer!

Keke plays Olivia Hill in the upcoming flick about an unlikely partnership between two strong-minded women (Queen Latifah and Dolly Parton) who are forced to work together to save a small town Gospel Choir after budget cuts threaten to shut them down.

25+ pics inside of Keke Palmer…