Gwen Stefani and Son Kingston, 5, Rock Matching Camouflage Outfits

Kingston Rossdale has worn everything from leather jackets to destroyed denim jeans.

PHOTOS: Kingston's trendiest looks

And on Sunday Hollywood's most stylish 5-year-old boy sported a H&M camouflage army getup that coordinated with mom Gwen Stefani's look, while the duo shopped at a Target store in Los Angeles.

Photos: Gwen's cutest moments with her boys

That same day, the No Doubt star's children's clothing line Harajuku Mini hit Target stores.

PHOTOS: Stars who have their own fashion lines

"It's over-the-top super-kawaii [cute]," the singer tells Us Weekly about the Japan-inspired collection.