Pixie Lott rocks unusual hairdo for lunch date and afternoon of shopping with fiancé Oliver Cheshire

Pixie Lott wears lime green cardigan and jeans for trip to blow dry pop-up bar in London

Pixie Lott poses with a giant bottle of wine after splitting her jeans in a wardrobe malfunction

Pixie Lott's bottom bursts through her jeans prompting her to share photo of the funny moment