Billi Currie is a hair salon in Westminster offering cutting, styling, colour, and technical treatments. Located on Chiltern Street near Baker Street, the salon works with a team across multiple seniority levels, from graduate stylists to creative directors. Services include event hair styling from £80, full colour from £110, balayage, hair extensions, and treatments such as Olaplex and K-18. The salon also offers out of salon services upon request. Open Tuesday to Saturday with extended hours on Thursday and Friday until 8pm.