Model Winnie Harlow doubles down in denim at Tao Group Hospitality exec Jon Schwartz’s birthday bash  in Chelsea. Danté Crichlow/BFA.com “Summer House”s Lindsay Hubbard brings warmth to NYC, blowing a kiss  in perky Self-Portrait pink. Christopher Peterson / SplashNews.com Nat Wolff supports girlfriend Billie Eilish at the LA premiere of  her concert film, “Billie Eilish: Hit Me Hard and Soft — the Tour.” WireImage Jordyn Woods dons her best Knickerbockers gear as she heads to Madison Square Garden to watch her boyfriend, Knicks star Karl-Anthony Towns, and his team take on Philadelphia in the NBA playoffs. UrbanxDivinity / BACKGRID Fresh off her “Saturday Night Live” hosting debut,  Olivia Rodrigo kicks back with a cocktail in Barcelona. NK / SplashNews.com Selena Gomez and Martin Short show some “Only Murders in the Building”  co-star energy at a Netflix Is A Joke  event in LA.…