<P> Kate Emily Pearson, nicknamed "Bug" by her mother (born August 31, 1980), portrayed by Chrissy Metz (current day), Hannah Zeile (age 15--17), and Mackenzie Hancsicsak (ages 8--10), is Jack and Rebecca's daughter, and Kevin and Randall's sister . She is "Number Two" of the "Big Three", being the second and last of the surviving triplets to be born . </P> <P> Kate is obese and has struggled with issues of self - esteem her entire life, which she greatly attributes to her strained relationship with her mother and the death of her father . Her relationship with her mother leads to depression, for which she later takes Prozac . She discontinues taking this drug due to the side effect of weight gain . </P> <P> Kate lives in Los Angeles and is initially her brother, Kevin's, personal assistant . When Kevin decides to move to New York, he fires her in order to allow her to build her own life, apart from him . She is an ardent Pittsburgh Steelers fan and has a routine where she watches the games with her dad's ashes . At nine years old, she has her appendix removed on Christmas Eve . </P> <P> Kate decides to join a weight - loss support group, where she meets Toby . Despite saying that she is not going to get involved with a fat person, she falls for Toby . When Toby decides to not continue with his diet, Kate breaks up with him and decides to go to Randall's for Thanksgiving . During a turbulent plane ride to New Jersey, Kate has an epiphany and decides to have gastric bypass surgery . After consulting with a doctor, she instead decides to enter a fat camp to attempt to lose the weight without surgery . When Toby surprises Kate by showing up at Randall's house for Christmas, he tells her that he can live without pizza and junk food, but that he cannot live without her . Toby collapses from a heart attack, and is taken to the hospital . </P>

Where does kate live in this is us