It's the most wonderful time of the year for socializing with your close friends and family. So how can you make sure you look your best with less than three weeks until Christmas? Inside Edition teamed up with the beauty brand No7 and its expert, Chi-Lan Lieu, for the ultimate beauty checklist for the final countdown to the holidays. First, she recommends trying false lashes. "They can add volume and length and they’re super easy to apply,” Lieu said.