Article continues below advertisementBritney Spears enjoyed a casual day running errands after her major music catalog sale.The singer, 44, was spotted chatting on the phone while driving her Mercedes G63 AMG near her Thousand Oaks, Calif., house on Thursday, February 12.Spears swept her hair back and accessorized with a pair of large black sunglasses.Article continues below advertisementSource: @britneyspears/InstagramBritney Spears took a drive around California.