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Nickelodeon's 26th Annual Kids' Choice Awards - Arrivals

"How I Met Your Mother's" Neil Patrick Harris was all smiles in his suit and plaid tie.

2013 Nickelodeon Kids' Choice Awards Red Carpet

Selena Gomez, Katy Perry, Kristen Stewart, and other hot stars hit the red carpet for the 2013 Nickelodeon Kids' Choice Awards in Los Angeles.