Wedding Bowser

Bowser in his wedding suit which he used in Super Paper Mario.He also appear in this suit in one trophy in Super Smash Bros Brawl.

Super Smash Bros Brawl Trophy
''The great Koopa king in a sharp, white tuxedo. Bowser is forced into marriage with Princess Peach by Count Bleck, who plots to wipe out the universe with the Chaos Heart. Although it's all part of Count Bleck's plan, Bowser doesn't seem to be displeased with the prospect. This might just be the last time we ever see Bowser in a tuxedo.''