Happy Sweet 16, Miranda! Looks like you're having fun already -- the birthday girl JUST posted this pic on her Twitter page!

When we caught up with the iCarly star last week, she told us she's having a party this weekend! So fun! Mir's also been Tweet-ing about turning 16 for the past few days, even commenting yesterday about her last day of working on iCarly as a 15 year old!

Send Miranda your b-day wishes here! And let's talk -- what would make your Sweet 16 birthday perfect?

Hugs,
Kourtney

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Photo Credit: Courtesy of Miranda Cosgrove