Paris Hilton has denied reports she has undergone a surgery for breast augmentations. The socialite, who has petite A-cups, fuelled rumors of breast enlargement, after she was spotted recently with a bigger cleavage. A rep for Hilton has played down rumors, adducing the 27-year-old star’s larger chest is thanks to "a prototype from her Paris Hilton 'push-up' bra line." “Paris has never had plastic surgery," her spokesperson added.