Colton Underwood joked about his recent split from Cassie Randolph with the help of Sean Lowe ahead of the premiere of The Bachelor: The Greatest Seasons — Ever.Lowe took to Instagram the night before ABC is set to air condensed version of season 17 of The Bachelor on Monday, June 8.“Tomorrow night, my entire season is airing in a condensed 3 hour format for Bachelor G.O.A.T.