Women Are Posting Black-and-White Selfies For 'womenempowerment'

Nicole Kidman paid a tribute to the important women in her life in her post on Tuesday. "I’ve been nurtured, loved, mentored and guided by so many generous, warm and intelligent women," she wrote. "May I continue to offer you all that I can through my art and my life." Gabrielle Union also participated, urging her followers to "acknowledge, support and protect the women that need it most."