Robin Sparkles fans rejoice! Everyone's favorite Canadian teen pop star is due to make another appearance on "How I Met Your Mother."

Cobie Smulders, who plays Robin Scherbatsky (and her teen alter-ego Robin Sparkles) on the show, tweeted a photo of herself dressed as the "Let's Go To The Mall" singer earlier this week.

[Click the link to see Smulders' photo.]

The character of Robin Sparkles first emerged in Season 2 of the show when Scherbatsky was hesitant to go to malls and wouldn't tell her boyfriend at the time, Ted Mosby (played by Josh Radnor), why. After some digging done by Neil Patrick Harris' character Barney Stinson, it was discovered that throughout her teen years, Scherbatsky had toured malls in Canada performing her one pop hit, "Let's Go To The Mall." (Listen to that ear worm above.)

There is talk that this will be the last season of HIMYM, so a return appearance by Robin Sparkles is much needed. Fans can only hope that it includes a follow-up ballad to "Sandcastles In The Sand."

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