The 10 Bikinis Your Hot Sister-in-Law will be Wearing This Summer

bathing suit “Did She Use a Surrogate or Something?” Monokini (Victoria’s Secret, $81)

Though it’s not technically a bikini, we’ve included this suit in this list because you can’t pull it off and she can, despite the fact that both of you have had three children. Great for family beach trips, this look says to you, “Hey, we’re both wearing one pieces! Twinsies!”