The Trouble with Falling (Trouble Series Sweet Romance #4)
Rochelle Morgan

Sophie's plan can start as soon as she's faked her way through her sister's wedding. Pretending to be happy and excited for the next week or two should be easy, right? But that was before Caleb walked onto the scene ... Best man to Sophie's almost-brother-in-law, Caleb is infuriatingly friendly and determined to get a real smile out of Sophie. Forced together through dance classes and wedding-related disasters, Sophie is determined not to like him. And terrified when she ends up failing.
Then Lex suggests he and Sophie should meet, and all Sophie's careful plans for the future begin to unravel. Now the girl who was never meant to fall for anyone must figure out what to do with the two guys tugging at her heart.
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The Trouble with Falling is a sweet, clean contemporary romance that can be read as a standalone novel.