The ever famous stars of "It's Always Sunny in Philadelphia" Rob McElhenney and Kate Olson are currently reported to be expecting their second child and this is really something that excites the couple, indeed.

The famous actress which stars in "It's Always Sunny in Philadelphia" has finally talked about her upcoming child and this is really something for her like a big upcoming movie or TV show. Kate Olson told to the viewers of Twitter on Thursday that she is having another child... another baby who is going to her and Rob's second child.

Her announcement of her pregnancy to the press and viewers of Twitter was also accompanied with joy and hilarity exclaiming to the guys out there that she will be naming her second child after them!

Presently, Kate and Rob have a one year and one month old child whose name is Axel Lee. Axel is the first child of the couple and is now followed by an expected baby boy to be his young brother.

The couple got married some time in September, 2008 somewhere in Malibu, California. Lin fact, the couple has long been together since they started co-starring the US TV show entitled "It's Always Sunny in Philadelphia" which was first aired sometime in 2005.

The US TV show "It's Always Sunny in Philadelphia" is an FX comedy program and was solely produced by Rob McElhenney himself and developed the concept and idea of the show with Glenn Howerton, also his co-star in the show.

On this comedy series, Rob plays the role of Mac who is one of the co-owners of Paddy's Pub with other friends like Dennis who is played by Glenn Howerton and Charlie who is played by Charlie Day.

Olson appears as Deandra or Sweet Dee on the show and as the twin sister of Dennis and their father Frank is played by Danny Devito. Currently, Rob has gained an average of fifty pounds now that the TV show has reached its seventh season.

The co-star of Kate and Olson Glenn has welcomed a son sometime in September and his wife played by Mary Elizabeth Ellis.

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