ShowbizBritney Spears's Hyde Park stroll stops workmen in their tracksGeorgina Littlejohn|London Lite11 April 2012If ordinary women can't avoid builders' wolf whistles, there's definitely no escape for an international pop princess.Whopper surprise: Britney eats her burger as the builders who spotted her with sons in Hyde Park look on in amazementA bunch of workmen gawped at Britney Spears yesterday as she took her sons Sean Preston, three, and two-year-old Jayden James for a stroll around Hyde Park.Brit stop: the family stop for a burger at kioskBritney, 27, also chatted to her bodyguards and her nanny and bought a burger from a kiosk.She plays the fourth of her eight-date stint at The O2 Arena tonight as part of her world tour, The Circus.MORE ABOUTBritney SpearsHyde ParkO2 Arena