J Lo announces unique weight loss challenge for women

Jennifer Lopez has announced a unique weight loss challenge in a new video where she has asked women to shed kilos if they want to meet the singer in person.

The 'Booty' hitmaker's "#BeTheGirl weight loss challenge the most successful participants will be determined using a criteria that focuses equally on their physical and mental transformation, Stuff.co.nz reported.

The 45-years-old singer says in the challenge's promotional video, "I challenge you to crack the cocoon and find the butterfly; to love yourself more than anything on the menu".

At the end of the challenge, the five "most successful" participants will win a stay at one of Lopez's favourite hotels, a luxurious spa treatment, and the chance to meet the singer.