Get out your tissues in advance of tonight's "Yellowstone" finale, advises Kelly Reilly, who plays wild child Beth Dutton on the show. Before tonight's show, Reilly posted a farewell of sorts on Instagram,

With the clock winding down to the final episode of Paramount Network’s “Yellowstone,” series star Kelly Reilly took to Instagram Sunday to confirm that the Dec. 15 episode is in fact the finale to the mainline series.

Only hours before the premiere of the last episode of Paramount Network’s Yellowstone, leading lady Kelly Reilly took to Instagram with a message for her colleagues as well as the Taylor Sheridan drama’s devoted audience.