Nicole Scherzinger was spotted wearing a cap designed by Man U's Rio Ferdinand's No. 5 clothing range at Mayfair.
The 'X-Factor' judge, 34, teamed up her designer hat with a floral bomber jacket and grey slogan T-shirt, the Sun reported.
The pop star, who is dating F1 star Lewis Hamilton, showed off her long pins in a pair of tight fitting jeans with Nike trainers on her feet.
She also sported a coral manicure.