President Barack Obama (L) and French President Francois Hollande vowed to step up their fight against the Islamic State during a joint press conference at the White House in Washington, D.C. on November 24, 2015.
Whether they're wearing plunging necklines, thigh high slits or nearly completely sheer dresses, celebrities know how to make an entrance. This gallery features some of the most revealing outfits that have graced the red carpet in 2015.
Men armed with guns and grenades stormed into the Radisson Blu hotel in Mali's capital on November 20 firing automatic weapons and seizing more than 100 guests and staff in a hostage-taking that left at least 22 people dead.
Presidential hopeful Sen. Bernie Sanders (I-VT) spoke about the widening income gap, America's high prison population and higher education while outlining his presidential agenda at Georgetown University in Washington, D.C. on November 19, 2015
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