United Kingdom, Sept. 12 -- Destiny's Child's recent reunion was a "spur-of-the-moment" decision.

Beyonce closed out her Cowboy Carter tour in Las Vegas in July with a surprise appearance from former bandmates Michelle Williams and Kelly Rowland, and Michelle has now revealed that they didn't have much time to prepare for the performance, unlike when they appeared together at Coachella in 2018 during the Crazy in Love hitmaker's headline performance.

Speaking on Watch What Happens Live, Michelle said: "It was awesome, spur of the moment..

"The last one - Coachella - we had a little more time.

"This one was, 'Y'all let's do this,' and we did it."

The 46-year-old star thinks the secrecy surrounding Destiny's Child's occasional appearan...