New Year... New babies on the way! ET gives you the inside scoop on everything we know about baby #4 for Kim Kardashian and Kanye West! Plus, which pop star just welcomed a baby girl! And, Carrie Underwood's baby boy could come any day! Then, why the stars are going Gaga for Lady Gaga as she kicks off her Las Vegas residency! And, "The Talk" announces their new co-host! Plus, ET's exclusive with newlywed Nick Jonas! And, it just may be the wildest reality singing competition ever! We're behind the scenes of "The Masked Singer" premiere! Entertainment Begins and Ends with ET!