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Robin Sparkles is back!

In case you missed it, Robin (Cobie Smulders) used to be a Canadian teen pop star with one big hit, the genius 'Let's Go to the Mall.' Now, we finally got see its follow-up, the cheesy ballad 'Sandcastles in the Sand.'

Dawson, er, James Van Der Beek, guest starred as Robin's ex, a Canadian wanna-be rocker who's still living with his mom. The Beek was (dare we say) pretty funny. And with Pacey, er, Joshua Jackson starring in J.J. Abrams' new show, 'The Fringe,' don't you think it's time for James' TV comeback, too?

But, of course, the Robin Sparkles video was only the setup for what happened at the end of the episode. We won't spoil it for you, only to say: knew it!

Britney Spears ... comedienne?

Looks like the troubled singer just might have a new career option if the whole music thing doesn't work out. Last night, she guested on the CBS sitcom 'How I Met Your Mother' as a Southern (natch) receptionist at a doctor's office who crushes on star Josh Radnor's character, Ted.

Her acting impressed Radnor, who called her "really funny."

Is her performance legen ... wait for it ... dary? Watch the entire episode on AOL TV.