According to Soulja Boy’s Twitter page, he did! “YES ITS TRUE I WROTE “WHIP MY HAIR” FOR WILLOW SMITH. THATS WHY SHE SAYS HOP OUT THE BED TURN MY SWAG ON. WE GETTING $$$ 2011 NO GAMES,”Â the rapperÂ tweeted yesterday. That’s awesome! Get that money, Soulja Boy!