The glamorous pair were their usual insanely good-looking selves as they attended the premiere of Youth at the Cannes Film Festival on Wednesday night.
Nikki looked sensational in a delicate, sheer midnight blue gown by Azarro, while Ian was rather dapper in his tuxedo.
The couple only returned from their sunsoaked honeymoon to Mexico and Brazil earlier this month. They married in secret in Santa Monica, California at the end of April.
Long-time friends Nikki and Ian began dating last year, with an engagement following in January of this year.
In April, Ian couldn't help gushing over his beautiful partner while attending her clothing line launch: ""Awesomeness. You never cease to amaze me.Talent and beyond... Acting, writing, producing, directing, designing and in the morning as you're happily rushing off to work even more - you make the best pancakes in the world. Not sure how you do it all. I need to step up my game my love - I'll get right on that..."