Sarah Michelle Gellar regrets not keeping hold of her ‘Buffy the Vampire Slayer’ outfits. The 46-year-old actress played Buffy Summers on the hit TV show between 1997 and 2003, and Sarah has revealed that she regrets not keeping some clothes from her time on the programme. The Hollywood star told Us Weekly: “I have a couple of pieces, but we weren’t allowed to keep the wardrobe in those days.” Sarah’s 14-year-old daughter Charlotte has recently started to embrace some ‘Buffy’-inspired fashion trends. The actress said: “Isn’t that crazy? When my daughter came back and she’s like, ‘Do you still …