By Scott T. Sterling

Life is good for Apollo Rossdale.

The adorable son of Gwen Stefani and ex-husband Gavin Rossdale recently turned four, and his Scooby-Doo-themed birthday party featured a couple of very special guests.

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Stefani and boyfriend Blake Shelton raided the costume closet to dress up as the leaders of the Scooby gang, Daphne Blake and Shaggy Rogers.

Stefani looks fab as usual, rocking a bright red wig and Daphne’s signature purple and green color palette. Shelton’s take on Shaggy was a little less detailed, relying mostly on a ratty wig to imitate the character’s mop-top look.

See pic’s from Apollo’s birthday party from Stefani’s Instagram story in the gallery below.

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