kanal and due month with make music with other artists.lf and started playing professional tournaments. you don't think of a lot of rock stars as being golfers >> no, they're not. they're two totally different worlds. it's a little bit of an escapism, i think. >> reporter: stefani also went into another world, fashion. >> these are what i'm wearing. see the matching jacket. can you imagine altogether? wow. >> reporter: she launched three clothing lines >> bold. reporter: became the face of loreal and also set out on a hugely successful solo career. you have all these different identities. i mean in a sense, right? >> but we all do, right reporter: most people don't have them become quite as large as yours have become. i mean, how do you manage all these different gwen stefani? >> a funny question. i don't. it's like every day is a struggle, you know, like i feel like you have to prioritize what's important >> reporter: stefani, who is married to gavin rossdale, lead singer of the band bush, says the hardest job of all is being a mother. >>

kanal and due month with make music with other artists.d playing professional tournaments. you don't think of a lot of rock stars as being golfers >> no, they're not. they're two totally different worlds. it's a little bit of an escapism, i think. >> reporter: stefani also went into another world, fashion. >> these are what i'm wearing. see the matching jacket. can you imagine altogether? wow. >> reporter: she launched three clothing lines >> bold. reporter: became the face of loreal and also set out on a hugely successful solo career. you have all these different identities. i mean in a sense, right? >> but we all do, right reporter: most people don't have them become quite as large as yours have become. i mean, how do you manage all these different gwen stefani? >> a funny question. i don't. it's like every day is a struggle, you know, like i feel like you have to prioritize what's important >> reporter: stefani, who is married to gavin rossdale, lead singer of the band bush, says the hardest job of all is being a mother. >> like today i