United Kingdom, May 28 -- Jennifer Lopez has been "crying for two months" about her twins' graduation.

The Office Romance star has 18-year-old Max and Emme with ex-husband Marc Anthony and she has been feeling emotional every time she thinks about the fact their school days are almost over.

Explaining the twins attend different schools, she said on Jimmy Kimmel Live! on Wednesday (27.05.26): "Tomorrow, one of them graduates. Don't talk about it 'cos we start crying. I've been crying for two months."

The 56-year-old star was particularly emotional when it came to write messages about her children for their yearbooks.

She wrote: "When I tell you, the tears. two days it took me to write those things."

And in the next few months, Max and...