Hat's not very stylish: Rebecca Ferguson hits a rare fashion low in daft blue hat at Twickenham

By DAILY MAIL REPORTER What are you wearing? Rebecca Ferguson wears an unusual blue hat as she performs at the Harleqins V London Irish rugby match at Twickenham StadiumSince her first audition last summer, X Factor finalist Rebecca Ferguson has won over fans with her stylish dress sense.But it appears even fashionistas such as Rebecca can have an off day as she performed at a rugby game in a b...