Liz and Sarah choose their "team word" for 2018: Expand! Liz's 6th sense tells her that this will be their best year yet. Sarah vents about the unexpected sugar bombs in her food as she embarks on her year of no sugar. She also talks about how Diane Sanfilippo's "21 Day Sugar Detox" program is helping her stay on track. This week's Hollywood Hack is good for the environment -- aluminum straws! Finally, Mary shares her RHOBH celebrity sighting: Mohamed Hadid. (And her almost celebrity sighting of Justin Bieber.)