Jennifer Lopez wants to make sure her children feel equally loved.

The singer-and-actress – who has two-year-old twins, Max and Emme, with husband Marc Anthony – admits being a mother to twins is challenging because she would hate either one to feel left out.

She told Parade.com: "Now, they're two and noticing everything I do. It's like if I give one a little bit of candy or food or whatever, I give the other one a little bit too. If I kiss my daughter I go, 'Oh, I don't want my son to see me kissing her without kissing him.' So you just have to make sure that they both felt equally loved and I guess that's the toughest part of being a mom to twins."

Although she was shocked to discover she was carrying two babies, the 40-year-old beauty loves every part of motherhood and wishes she had started sooner.

She said: "I was in denial that I was even pregnant, so when I found out I was having twins, I kind of just laughed and went, 'Like, of course this would happen.' I started giggling and Marc started crying and it was joyous. The best part of having two babies at once, a son and a daughter, is mostly everything. You're just having that feeling of love inside you all the time and motherhood is such a fulfilling place to be. I kind of wish it would have happened to me earlier in my life."