Katy Perry and Justin Trudeau hold hands while touching down in Sardinia as lavish European vacation stretches into THIRD WEEK

Smitten Katy Perry can't keep her hands off 'love of her life' Justin Trudeau as they continue never-ending vacation in Europe

Katy Perry and Justin Trudeau Kissing on the Beach in France

Katy Perry and Justin Trudeau make a splash during PDA-packed beach day in Saint-Tropez... one year into romance