The family posed in front of a cake with mini watermelon candles and watermelon-printed umbrellas on it.
Alba also brought out some watermelon floats for the pool party, watermelon balloons, and spelled out Haven’s name in giant silver ballons. She shared several pics and videos from the special party to Instagram with the background music set to Rihanna and T.I.’s “Live Your Life.”
Warren also got in on the fun, posting a family photo to his Instagram account with a personal birthday poem for his daughter.
“Once upon a time there was a princess named Haven Today she went from four to five and aback my heart was taken / To the day she was born when my soul expanded like a playpen / And her smile lit my path like a fire for cavemen / To the center of my world she found her way in / And that's where she'll stay, Happy Birthday my dear Haven,” he wrote.