Martha Stewart posed for a new MAC Cosmetics campaign, showing off the brand's nude lipsticks, and gives PEOPLE the scoop on ...

In this video, I will review and apply the New Mac Cosmetics Studio Fix 24 Hour Concealer. I will also show you a few tips and tricks to get that flawless full coverage look using Studio Fix ...

For the bold campaign, MAC Cosmetics pushed the envelope with ... She could just go away into any studio and make up anything. She knows the ingredients in every single product — she's just ...