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Here’s a sneak peek at Britney Spears on CBS’s How I Met Your Mother. The pop princess will appear as a receptionist in a doctor’s office alongside series star Josh Radnor and fellow guest star Sarah Chalke.

With brown hair, glasses and a modest sweater, the singer might be unrecognizable to some of her fans. But Spears seemed back to her old self during filming.

“She was on time, she knew her lines. She’s going to be really funny,” said Radnor about Britney’s visit. “I mean, I have nothing scandalous to offer.” The episode airs Monday, March 24.