Denise Richards, 48, has been feeling really uncomfortable over Brandi Glanville’s, 47, recent claim that they hooked up, despite the fact that Denise is married to Aaron Phypers, 47, according to a source close to RHOBH. “Denise was stunned to hear that Brandi was saying they hooked up and she has an open marriage,” our source told HollywoodLife EXCLUSIVELY.