Monday on 'The Young and the Restless'

Hilary and Mariah Have It Out On Y&R

Tomorrow, on the December 12, 2016 episode of The Young and the Restless, Hilary (Mishael Morgan) and Mariah (Camryn Grimes) have it out when Hilary discovers Mariah has been made the new host of GC Buzz.

Later, Sharon (Sharon Case) clashes with Hilary and defends Mariah.

Meanwhile, Jack (Peter Bergman) tells Ashley (Eileen Davidson) he wants to take Fenmore's away from Lauren (Tracey Bregman), which Phyllis (Gina Tognoni) overhears.

You can watch a sneak peek below.