The 29-year-old heiress played coy but was obviously not hiding from the cameras as she cheered up the buoys by peeling off on the Italian coast.
But her curvier-than-usual figure sparked rumours she'd given herself a boost too.
Paris, who's never admitted to a **** job, has certainly been making the breast of her ocean break around Europe with pals.
Last week she helped run up the most expensive celebrity bar bill EVER, in France's St Tropez.
Her new fella, chubby Malaysian playboy Taek Jho Low, shelled out a staggering £1.8 MILLION on bubbly at the exclusive Byblos nightclub.
He was competing with her ex-boyfriend Doug Reinhardt on who could splash the most cash on booze.
But we can't help wondering if bills are the only things Paris has been racking up...