Article continues below advertisementAlthough The Valley star Michelle Lally broke up with her boyfriend Aaron Nosler in July, she doesn't seem too down about it, an insider exclusively told OK!. "Michelle was living her best life partying the weekend away in a bikini in the cabanas at Fontainebleau Las Vegas," the source detailed. Article continues below advertisementMichelle Lally 'Was Hanging With a Mystery Man' in Las VegasSource: BravoMichelle Lally was 'hanging with a mystery man' in Las Vegas, an insider dished.