Nothing makes it feel more like the holiday season than spending time with family!
Jessica Simpson recently hosted a Christmas Special on PBS, and for her cover of John Lennon and Yoko Ono's holiday classic, Happy XMas (War Is Over), the singer's sister Ashlee joined her on stage for a duet!
Check it out (above)!
We're actually impressed! Their voices sound pretty nice together!
Lovely, lovely ladies!