India, Nov. 9 -- Kelly Clarkson is back after taking a brief hiatus from live performances following the death of her ex-husband due to cancer, Brandon Blackstock. She returned to the stage in Las Vegas on Friday night. The 43-year-old resumed her Studio Sessions residency at the Colosseum at Caesars Palace in Las Vegas and did so in a cheerful spirit, Us Weekly reports.

She singled out two couples in the audience and helped them celebrate their relationship. One of the couples had flown in from London, and Clarkson made sure that the two got engaged. She goaded the boyfriend, to whom the proposal had been made, to accept playfully. "Say, 'yes,' bitch," she thundered. Later in the show, the focus turned to another couple, who were marrie...