United Kingdom, Oct. 7 -- Jennifer Lopez says her family are "such a grounding presence" in her life.

The 56-year-old pop star and actress has opened up on how her 17-year-old twins Max and Emme - who she has with ex-husband Marc Anthony - help her "survive" her hectic schedule and a life in the spotlight.

She told Extra: "My family for me is really the thing that made me who I am, that helps me be able to survive in the chaos of this business. "You know, they know who I am and that's all that matters to me - my kids, my mom, you know, my loved ones, my team.

"They know who I am, and that for me is such a groundling presence in my life that I'm able to do and withstand so much and stick to the passion of what I love to do and keep my e...