Holiday Party Outfit

Can't decide which way I should go for the holiday party....help please (but please do ignore the price tag, LOL).  First, tights and boots or bare legs and pumps?  Second, tucked in or out?

Outfit - Top: Zara, Shorts: Forever21, Boots: Christian Louboutin, Pumps: Christian Louboutin, Tights: Banana Republic, Necklace: Madewell