. >>> and oliva newton-john's breast cancer diagnosis. >>> plus, angelina jolie's single moms struggles. raising her children after the split and details on her weekend celebration with the kids. >>> and one-on-one with kevin hart. >> that's when all hell breaks loose. >> how will he find enough time to baby duty. >>> now for may 30th, 2017, this is "entertainment tonight." >>> the countdown is officially on for world premiere of george and amal's twins. a source tells "e.t." the two little clooneys could arrive any day now, and george is clearly thinking the same thing. because he just opted to stay by his wife's side, instead of attending a big awards ceremony. >> i'm sorry that i can't be with you all tonight in yerevan. i really would have been there but if i came there and my wife had twins while i was there i could never come home. >> we've been told the official due date is june 4th. and, with a source in london saying amal is expected to give birth early, you can't blame george for not making the 8.5-hour flight to attend the aurora prize for awakening humanity event in armenia.

oliva newton-john is survivor of the disease but today she shared the sad news she's in need of treatment again. she posted on facebook she's reluctantly postponing her tour dates. breast canker has spread to her back. she was originally diagnosed in 1992 with breast cancer and underwent a ma secretarymy. >> four years ago, her older sister was stricken with brain cancer passing just six weeks after her diagnosis. our brooke anderson spoke to her about the loss. >> i left my sister eight months ago and i couldn't sing after that. >> you're a cancer survivor of 22 years and your sister who you were so close to, got hit and was gone in six weeks, how unfair is that? >> it was very tough. we never when it's our time. all i can say is that she had all the people she loved around her and it was a beautiful time. >> she opened a cancer and wellness center in melbourne, australia in 2012. she' she's confident will be back later this year to continue her shows. quote, i decided on my direction of therapies after consultation with my doctors. >> the thing for me is my way of healing. >> first thin