Pink balloons in the hallway. Check.
Dark chocolate cake with her name in strawberry icing. Check.
Twenty-nine candles and three others hidden from view. Check.
Peach roses in the crystal vase. Check.
Hearing the purr of the Corvette in the driveway, he prepared for the big surprise of the evening and hid near the garage door. The lights of the garage had been 'fixed' especially so she couldn't see anything when she got out of the car. As the sound of the engine died down and she walked to the door leading into the house, he jumped from behind her and yelled.
"Happy Birthday, Darling! You had it coming", and plunged the nine-inch dagger festooned with a red ribbon into her back.