Tomorrow night, we'll see a Paradise first: A former Bachelorette has arrived on the beach looking for love, as Becca Kufrin joins during a wild night where relationships are changing fast. And as Serena Pitt and Joe Amabile start to wonder if they're the strongest couple in Paradise, Joe's ex, Kendall Long, appears -- what does this mean for their relationship? Watch 'Bachelor in Paradise' 2021 MONDAYS and TUESDAYS 8/7c on ABC, and stream on Hulu.