MILAN -- Gucci creative director Alessandro Michele is celebrating the fashion house’s 100th anniversary this year, giving historic sweep to a collection unveiled virtually Thursday that embraced its equestrian heritage, borrowed references from the Tom Ford-era and outright stole from the French brand Balenciaga.“Gucci was born under some kind of constellation, because the power it holds is nearly inexplicable,’’ Michele told a video press conference.The celebration party was set in a film-set