Prepare to be in awe.
We can already feel the burn.
The celeb's trainer tells all.
It's easier than you think.
The singer shares her beauty philosophy.
The two will release a single together next week.
Will you be buying some One Direction makeup?
Plus: The new second-in-charge at Louis Vuitton, Shakira's <em>Elle</em> cover, and more!
Lady Gaga, Beyoncé, and Angelina Jolie also made the cut.