LeAnn Rimes: Practice Makes Perfect!

LeAnn Rimes smiles for photographers as she leaves the Hollywood Palladium on Wednesday (April 7) in Hollywood.

The 27-year-old singer rehearsed for a performance taking place tomorrow evening! LeAnn will be singing in a special honoring songwriter Diane Warren with guests including Celine Dion and Gloria Estefan!

The special, entitled Diane Warren: Love Songs, will air Tuesday, June 8 on PBS.

20+ pictures inside of LeAnn Rimes leaving rehearsal…