Olivia Wilde might have been out by herself but she was keeping boyfriend Harry Styles close.The 37-year-old actress and director - who is dating the 27-year-old pop star - stepped out wearing a T-shirt from his line of tour merchandise on Tuesday, proving herself to be his biggest fan.Olivia rocked the natural-colored, $40 unisex tee with a pair of black leggings that had diagonal white stripes at the bottom.The mom-of-two pulled her highlighted brunette hair into an imperfect ponytail and donned a yellow face mask.
Supportive girlfriend:Olivia Wilde was by herself, but kept her man Harry Styles close as she wore a t-shirt from his line of tour merchandise on TuesdayFinishing the casual look, she walked in a pair of black Adidas.
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