Happy Birthday, Harlow Madden!

Their little girl is growing up so fast! Harlow Winter, the daughter of Nicole Richie and Joel Madden is 2 today (Monday, January 11).

Up before 6am this morning, 28-year-old Richie took to her Twitter page, telling, "Up super early sneaking around the house in the dark setting up surprises for when my birthday girl wakes up!"

Meanwhile, Joel was also up and tweeting, "Happy Birthday to the most beautiful little girl in the world. Harlow makes me proud every. single. Day. i'm blessed."

The “Good Charlotte” singer and “The Simple Life” star have been together since 2006 and also have a 4-month old son, Sparrow James Midnight together.

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