12/15/2012 05:38 pm ET

Nicole Richie, Joel Madden Celebrate Second Wedding Anniversary (PHOTO)

When it comes to his feelings for wife Nicole Richie, Joel Madden just can't stay mum.

"Special dedication to my wife," the Good Charlotte frontman, 33, posted on his Tumblr Thursday, sharing a photo of himself receiving a kiss from Richie. "We just spent a few days off the grid celebrating our second wedding anniversary."

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