The TV personality, 34, donned a dusty blue ensemble for the event, opting for a cropped leather jacket with a zip-up detail.
Flashing her taut torso, she teamed the jacket with a pair of tailored trousers with a belted waist in the same shade.
AJ added a collection of gold chunky jewellery with a chain linked necklace and complementing hooped earrings.
The star wore her dark locks left a natural style and pulled back into a high ponytail, while she opted for a winged eyeliner look.
She appeared in high spirits for the event, taking to the snowflake-decorated stage with a microphone as she addressed the crowd.
