Lizzy Caplan & Fiance Tom Riley Couple Up At CBS, CW, Showtime Summer TCA Party!

Lizzy Caplan flashes a smile alongside her fiance Tom Riley while hitting the red carpet at the CBS, CW, Showtime 2016 Summer TCA Tour Party held at the Pacific Design Center on Wednesday (August 10) in West Hollywood, Calif.

The newly engaged couple was joined at the event by Lizzy‘s Masters of Sex co-stars Caitlin Fitzgerald and Betsy Brandt, as well as Shameless stars Isidora Goreshter and Shanola Hampton, The Affair‘s Maura Tierney and Episodes‘ Matt LeBlanc.

PHOTOS: Check out the latest pics of Lizzy Caplan

Also in attendance at the 2016 Summer TCA Tour Party were Galavant‘s Joshua Sasse, Code Black‘s Marcia Gay Harden, The Grinder‘s Rob Lowe, Ray Donovan‘s Kerris Dorsey and Jon Voight, Scorpion‘s Robert Patrick and Elyes Gable, Niecy Nash, and NCIS‘ Pauley Perrette and Michael Weatherly.

FYI: Lizzy is wearing a Roland Mouret dress paired with Nicholas Kirkwood shoes and John Hardy jewelry. Caitlin is carrying a Lee Savage clutch and wearing Olgana Paris shoes and Ana Khouri jewelry. Kerris is wearing a Rebecca Vallance dress.

50+ pictures inside of Lizzy Caplan, Tom Riley and others at the Summer TCA Party…