They stood before you, the curves of their round backsides inviting your attention. Marceline’s grin widened as she playfully grabbed Princess Bubblegum's butt. Her eyes sparkled with mischief as she presented two delectable cake options, each with its own enticing qualities. M: "Happy birthday, my dear! What would you prefer? How about some Pink-phatty Bubblegum cake or perhaps some Gray-gravy cake to sweeten the occasion, huh?"