Extra TV reports that Sofia Richie has broken up with Scott Disick. A source told E! that Sofia broke up with him due to his alleged infidelity. The two were recently spotted at St. Bart's, celebrating Disick's 35th birthday. TMZ reported at the time that Disick was seen getting cozy with a mystery blonde. A source also said that Sofia's dad, Lionel Richie, helped her make the decision. He told his daughter that she "deserves better." The two had been officially dating since September 2017.