From #JustinTimberlake to #HarryStyles, these celebrities were enlisted by fans to help set up unforgettable #marriageproposals. See more at the link in our bio. 📷: Taylor Hill/FilmMagic; Jemal Countess/Getty Images for iHeartRadio; Manny Carabel/Getty Images for Audacy; Gotham/FilmMagic; Kevin Mazur/Getty Images for Harry Styles; Karwai Tang/WireImage; Heidi Gutman/Bravo/NBCU Photo Bank/NBCUniversal via Getty Images; Amy Sussman/Getty Images; Dave J Hogan/Getty Images; Christopher Polk/Getty Images; Michael Tran/FilmMagic