The Always Sunny stars welcomed son Russell Wallace Day on Thursday, Dec. 15 in Los Angeles, they confirm to PEOPLE exclusively. It’s a boy for Charlie Day and Mary Elizabeth Ellis! The Always ...

Actress Mary Elizabeth Ellis is certainly a household name. Born in Mississippi, the actress has worked on things like It's Always Sunny in Philadelphia, New Girl and Taylor Swift's "Anti-Hero ...

Charlie Day and Mary Elizabeth Ellis have charmed audiences ever since they began costarring on It's Always Sunny in Philadelphia together. The couple met at a bar in 2001, years before they ...

As Frank on the long-running FX comedy It's Always Sunny in Philadelphia ... owner Mac and a co-creator of the series), and Mary Elizabeth Ellis (The Waitress) shared kind words to toast him ...

Charlie Day is a comedic actor, known for his roles in ‘It’s Always Sunny In Philadelphia’, the ‘Horrible Bosses’ movies, and more. Charlie Day has been married to Mary Elizabeth Ellis ...

As the hilariously unhinged Amy, Mary Elizabeth Ellis ... her side job. Ellis will be back as the bitch-perfect "Waitress" opposite hubby Charlie Day on It's Always Sunny in Philadelphia later ...

Mary Elizabeth Ellis may still be best known as the Waitress on “It’s Always Sunny in Philadelphia,” but she’s doing stellar work as Fred Savage’s wife and Rob Lowe’s sister-in-law on ...

When the series premiered in 2005, it did so with the support of FX President John Landgraf and the network – but its freshman-year run didn't result in a ton of eyeballs tuning in. Landgraf ...

The Horrible Bosses star and Ellis wed in March 2006. Russell Wallace Day weighed in at 7ib. 13 oz. and was 21.5 inches long. The duo's It's Always Sunny costar Glenn Howerton also became a father ...