The ladies will have their own March maddness next month when Justin Timberlake takes over late night TV.  The singer announced that he will be serving as both host and musical guest on "Saturday Night Live" on March 9th.  Two days later, from March 11th-15th, Justin will be the first ever weeklong featured guest on "Late Night With Jimmy Fallon." Performances are set for all five nights and chats with Fallon are scheduled for Monday March 11th and Friday March 15th. Can he possibly top his classic hysterical appearances of the past?!  Check out the clips below:

Timberlake famously gave away a part of himself in a box:

Justin and Jimmy gave fans a history lesson on rap!