Olivia Munn Nothing to see here, just Olivia Munn in the ethereal messy ponytail of our dreams. Stylist John D brushed Tresemmé Unscented Dry Shampoo ($5) into Munn's hair to keep things looking purposefully undone and pillow-soft. Image Source: Getty / Alberto E. Rodriguez Tresemmé Unscented Dry Shampoo $5 from target.com Buy Now