<P> Steve takes Miranda's criticisms to heart and later opens his own bar with Carrie's ex Aiden Shaw . Miranda runs into Steve who tells her about the bar and thanks her for spurring him on . They begin a friendship of sorts . In season four, we discover that Steve has testicular cancer and Miranda sets out to "help" Steve, realizing that he doesn't have healthcare . She helps him through his operation and subsequent treatment and they become close . Steve confides that he is depressed at losing a testicle . Feeling sorry for him, Miranda has sex with him . Soon after, Miranda discovers she is pregnant (something she thought was not possible as she had been diagnosed with a' lazy ovary'). </P> <P> At the same time, Charlotte is struggling to get pregnant with Trey's baby and is furious when she discovers that Miranda is not only pregnant, but she is planning to have an abortion . At the clinic with Carrie, Miranda decides she cannot go through with the procedure and decides to keep the baby . She later gives birth to a son who she names Brady (which is also Steve's last name). She and Steve share custody (along with her hired housekeeper / nanny Magda, an older Ukrainian / Eastern European woman who remains a constant in Miranda's life). The show charts Miranda's struggle as a single, working professional mother and her feelings at losing her old single life . </P> <P> Miranda later realizes she is still in love with Steve . Unfortunately, before she can confess this to Steve, he announces he has a new girlfriend, Debbie--a much younger girl from his native Queens area of New York . Not wishing to rock the boat, Miranda decides not to tell Steve and things remain platonic between them . Soon after, a new man moves into her building--Robert Leeds, an attractive African - American doctor who works for the New York Knicks basketball team . He is divorced, handsome, and makes it clear that he is interested in Miranda . They start a relationship that becomes serious when Robert tells Miranda he loves her (albeit by giving her a giant cookie with the words "I Love You" written on it in chocolate chips). </P> <P> Miranda feels unable to say it back to him though and in a moment of epiphany at Brady's first birthday party, she blurts out to Steve that she loves him and is sorry for losing him . Steve reassures her that he loves her too, and soon after they break up with their respective partners and get back together . They decide to marry in a low - key ceremony in a community garden . Living together in Miranda's one - bedroom apartment (still in the same building as her now - hostile ex, Robert) proves to be cramped, and they decide to buy a bigger place and eventually move to a house in Brooklyn (much to Miranda's initial dismay). </P>

Who plays lily on sex and the city