Not every failed Hollywood romance has a disastrous ending!

Though it seems more common than not that celeb split-ups result in heated and very public breakups, a few Hollywood couples have kept their breakups amicable – and still remain friends this day. SHAPE magazine has profiled these stars, who have gone from lovers to friends, in a special feature.

Will Demi Moore end up on as good of terms with Ashton Kutcher as she did with her ex-husband Bruce Willis?  Though Demi and Bruce were one of the biggest power couples in Tinseltown, the duo’s divorce was totally drama-free and they still support each other to this day.

How does the sexy new host of Project Runway All Stars keep her body looking so bangin’?

The stunning supermodel reveals her diet secrets to SHAPE, dishing to the famous fitness magazine what she eats (almost) every day – and RadarOnline.com has the details.

Angela is a huge fan of Yogi Tea, which she maintains keeps her healthy and happy.

“It purifies the blood, lungs and circulatory system, and also cleans the liver,” Lindvall says, noting that Power Smoothies and Kombucha are also on her healthy beverage list.

Rihanna has a taut and tight tummy and she loves to show it off!

The Barbadian beauty has been training with fitness expert Ary Nunez for almost four years, who dished to SHAPE about the singer’s stay-fit secrets.

“Rihanna is so connected to her body,” Nunez, who is on call with Rihanna 24/7 when she is one the road, reveals.  “She used to work out because it was part of her responsibility, but now she works out because she loves it!”

Nunez also makes sure that Rihanna fuels her body with what it needs, combing proper foods together for maximum performance.

How are Hollywood’s hottest stars like Eva Mendes, Jennifer Aniston and Nicole Richie staying so slim? SHAPE magazine has all the details about all the diet plans that the stars can’t live without.

The 5-Factor Diet derives its name from the number of elements each meal should include – protein, complex carbs, fiber, fat and fluids.  Created by celebrity trainer Harley Pasternak, it should come as no surprise that Hollywood starlets such as Eva Mendes, Megan Fox, Katy Perry and Kate Beckinsale all are fans.

Nicole Richie, Rooney Mara and Gwen Stefani have all tried the Pressed Juicery diet, which is a six-juices-a-day, 1,200 calorie intense cleanse.

Forget yoga and Pilates! Bar Refaeli is way more hardcore when it comes to her choice of workouts – and SHAPE has all the details about her unique stay-fit approach.

The Israeli supermodel is a huge fan of martial arts-based practice called Krav Maga, which was derived from the fighting style of the Israeli army and combines techniques from different style of martial arts and boxing.

Other famous females who have kicked butt and shaved off weight with Krav Maga? Angelina Jolie practiced it for Salt, Jennifer Lopez for Enough and Hilary Swank for Million Dollar Baby.