Glam Slam: Mariah Carey, Jennifer Lopez, The Kardashians...

Mariah Carey boarded a private jet as she began the long-haul flight Down Under from the US, ahead of celebrating the New Year in Australia with beau James Packer. (Instagram)

Mariah and James' first trip as a couple to Australia, having went public with their romance in June. (Instagram)

Mariah on Santa's lap. (Instagram)

Nick Cannon also enjoyed time with Mariah and their children Monroe and Moroccan, 4. (Instagram)

Kourtney Kardashian proved she's keeping up her commitment to fitness when she posted a sculpted gym selfie three days after Christmas. (Instagram)

John Legend and wife Chrissy Teigen marked his 37th birthday with a trip to Morocco. (Instagram)

Paula Abdul, 53, with her beloved dog Bessie-Moo, mimicking her well-known tongue out. (Instagram)

Tamara Ecclestone snuggled up to her daughter Sophia as they jetted to Dubai this week for a winter break. (Instagram)

Kim Kardashian and Jennifer Lopez hanging together at Kris Jenner's Christmas Eve party. (Instagram)

JLo also brought along her seven-year-old twins Emme. (Instagram)

Max and JLo dancing together. The kids' father is her ex-husband, singer Marc Anthony. (Instagram)

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