ET has the latest...

ET confirms that BRITNEY SPEARS will be returning to the CBS comedy "How I Met Your Mother," for an episode scheduled to air May 12.

"We're all so thrilled to have Britney joining us once again," executive producer CRAIG THOMAS says. "And just to head it off at the pass this time around: Yes, Mom, Britney's very nice and no, I can't get her autograph for you."

Britney will be reprising her role as Abby the receptionist. Production on the episode begins today.