"It's been a real blast." Just last month, the two attended Goldie Hawn's "Love In For Kids" benefit, where they were snapped having a friendly conversation.
They two also posed for pictures together, Kate showing off her toned arms in a sleeveless white dress and Derek looking dapper in a dark suit.
Last month, rumors popped up that Hough and Hudson had started dating not long after her split from Matt Bellamy was made public.
shared the photos of Hough hugging a brown-haired woman on the beach, and the pair is featured spending time together in other photos as well. Her identity was not revealed, but it is obvious from the photos that Derek is enjoying his time on the beach with the woman.
News broke of Kate and Matt's split on Monday, when his rep confirmed that the two have been separated "for some time now," after four years together.
PHOTOS: Nikki and Paul's wedding album As Us Weekly exclusively reported last week, the pair were recently spotted making out at Rock & Reilly's in L. "Nikki was feeding him, [they were] holding hands, and they left together. Derek Hough and new hookup Nikki Reed hit the town on Saturday, May 3, with his sister, Julianne Hough, and her hockey-playing boyfriend, Brooks Laich. "They were all taking a lot of selfies and dancing up a storm," the eyewitness tells Us.Sources tell Us Weekly the foursome hit up a show at the Troubadour in L. before heading to a birthday party for the Houghs' actress Reed were "making out like fiends" during O. Adds another onlooker: "Julianne and her boyfriend looked like they were having a dance party together." PHOTOS: Rebound romances From there, the two couples made their way to the Sayers Club in L. A fellow club-goer tells Us that both pairs were very affectionate and into the music, and danced for hours to songs like Pharrell Williams' "Happy," Rihanna's "Birthday Cake," Beyonce's "Drunk in Love," and Cali Swag District's "Teach Me How to Dougie." Julianne's beau was "the life of the party," the onlooker tells Us of Washington Capitals player Laich, noting that he was "constantly dancing and making jokes." (He and the actress, 25, were set up by a mutual friend and have been dating since earlier this year.) PHOTOS: DWTS' hottest hookups Derek, meanwhile, packed on the PDA with Reed, who split from husband Paul Mc Donald earlier this year.The reported that Bellamy also attended the festivities.The couple has split, but Bellamy is now considered “family” by Kate and her family.