In a special edition of Girl Code called Tiff’s Tips, TODAY’s Jenna Bush Hager and guest co-host Tiffany Haddish weigh in on dilemmas viewers are facing, including one woman whose friend is leaving ...

Hey everyone, it's Lev. Today I challenge my girlfriend to a challenge to see who can make the other more jealous. We've done so many jealous pranks, and you have loved them so today we took it a step ...

What happens when you eschew the politics of female friendship and invite a boyfriend to a girls dinner? Millions found out ...

Kenneth Tan, lead author of the study and assistant professor of psychology at Singapore Management University, explained the ...