Kelly Clarkson kicked off her Las Vegas residency's first show with an apology to fans after postponing opening night last week: 'I'm so sorry. We can't help our bodies sometimes.'

Kelly Clarkson kicked off her latest Las Vegas residency on Friday, July 11 — one week after she was forced to cancel two shows hours before the first was scheduled to begin to 'protect' her voice.

Kelly Clarkson made her return to the Las Vegas stage with the grand opening of Kelly Clarkson: Studio Sessions – The Las Vegas Residency at The Colosseum at Caesars Palace. Take a look at photos here!