Complex sentence: When Tiffany breaks Whitney's phone and shouts at her, Ricky and Whitney argue and she tells Ricky to leave them alone as he is nothing to do with them so he reveals that Tiffany is his daughter.
Split into simpler sentences: When Tiffany breaks Whitney's phone and shouts at her, Ricky and Whitney get into an argument. Whitney tells Ricky to leave her and Tiffany alone as she is nothing to do with him, but he reveals that Tiffany is his daughter.