Glenn Howerton Talks Rob McElhenney's 'GOT' Cameo and Season 14 of 'It's Always Sunny'

Glenn Howerton Talks 'A.P. Bio' Season 2, Teases 'It's Always Sunny in Philadelphia' Season 14 | In Studio

'A.P. Bio' Star Glenn Howerton Hints at 'It's Always Sunny' Season 14

Glenn Howerton, Jill Latian0, Rob McElhenney "The Big Sick" Premiere Red Carpet

Glenn Howerton Agrees That Always Sunny Should Do A Superbowl Episode

Glenn Howerton Explains Why He Took a Step Back from Always Sunny, and Why He Returned

Glenn Howerton & Jill Latiano | It's Always Sunny in Philadelphia Season 10 Premiere

Glenn Howerton and Jill Latiano FXX "It's Always Sunny in Philadelphia" Season 9 Screening

Glenn Howerton Has Not Left It’s Always Sunny in Philadelphia

Glenn Howerton and Jill Latiano FXX's "Always Sunny" (Season 12) Premiere Red Carpet

"It's Always Sunny in Philadelphia" Season 9 Screening Kaitlin Olson, Danny DeVito, Rob McElhenney

Rob McElhenney and Kaitlin Olson FXX's "Always Sunny" (Season 12) Premiere Red Carpet

How Did Rob McElhenney Gain 60 Lbs. For It’s Always Sunny?

Rob McElhenney FXX's "Always Sunny" (Season 12) Premiere Red Carpet

Rob McElhenney & Kaitlin Olson | It's Always Sunny in Philadelphia Season 10 Premiere

5 Things You Need To Know About It's Always Sunny In Philadelphia's Rob Mcelhenney

Kaitlin Olson and Rob McElhenney at "It's Always Sunny in Philadelphia" Season 7 Premiere

Kaitlin Olson & Rob McElhenney FXX "It's Always Sunny in Philadelphia" Season 9 Screening

A.P. Bio (NBC) Promo HD - Glenn Howerton comedy series

IR Interview: Glenn Howerton For "A.P. Bio" [NBC]

IR Interview: Glenn Howerton & Paula Pell For "A.P. Bio" [NBC-S2]

Ryan Reynolds claims Hugh Jackman is 'jealous' of Rob McElhenney friendship

Ryan Reynolds claims Hugh Jackman is 'jealous' of Rob McElhenney friendship

Welcome to Wrexham Ryan Reynolds and Rob McElhenney Say Hugh Jackman Is JEALOUS of Their Bromance

Ryan Reynolds has reportedly bought a stake in a Mexican soccer team

Rob McElhenney brings baseball to Wrexham with unique pitchside show

Ryan Reynolds celebrates Wrexham co-chair Rob McElhenney’s birthday with funny Titanic inspired prank video

Keke Palmer Celebrated Son's First Birthday by Dressing Him Up as a ‘Troll Baby’: 'So Much Fun'

Kourtney Kardashian Is Showered with Flowers on Romantic First Mother's Day with Son Rocky

Ryan Reynolds Teases Name of 4th Baby with Nod to Taylor Swift: 'We Always Wait for Taylor to Tell Us'

The Archbishop of Canterbury Addresses Royal Family Rift: 'We Must Not Judge Them'

PEOPLE in 10: The News That Defined the Week PLUS Jacob Anderson & Sam Reid Join Us

Who Is Christina Hendricks' Husband? 3 Things to Know About George Bianchini

Was That a Starbucks Cup on Last Night’s ‘Game of Thrones?’

Lady Gaga's Red Carpet Entrance

Natalia Jimenez habla sobre su nuevo sencillo

Esta es la canción que le cantará Giselle Blondet a su nieta

El florista de la boda de Ana Navarro habla de la decoración de la ceremonia

The chef in charge of Ana Navarro's wedding explains what is on the menu for the big day