Kelly Clarkson and Reba McEntire can't hold back their tears! On 'The Voice,' the country music legend is back as the Mega Mentor in the singing competition after mentoring Team Blake's very first season in 2011. Fast forward 12 years, and it was a Team Blake singer who first made Reba cry, as Kylee Dayne wowed the star with her rendition of Celine Dion's 'All by Myself.' For Kelly, it was her newest team member, Kala Banham, who brought the waterworks as she rehearsed for her performance of the Goo Goo Dolls' 'Iris.' 'The Voice' airs Mondays and Tuesdays on NBC.