The gorgeous brunette was spotted catching a flight at LAX airport on Tuesday (14 January) looking a-mazing in a simple combination of jeans, a striped shirt and camel trench coat.
Jenna was en route to Atlanta, Georgia where she is serving as a guest judge on the US version of So You Think You Can Dance, which kicked off auditions for the new series in the city this week.
And there's no doubting she's rather happy about her new role, tweeting today: "Oooh ok Atlanta!!!! I'm here guest judging on my favourite show @DANCEonFOX!! So excited show me what ya got!"
Jenna, 33, is more than qualified to judge the hit US dancing show given she began her career as a backing dancer for artists including Ricky Martin, 'N Sync and Christina Aguilera and then found success in dance movie Step Up.
The star appeared to be travelling without hunky husband Channing Tatum and their baby daughter Everly, who was born in 2013.
Jenna, who is a vegan, recently told Ocean Drive magazine that being a dancer had helped when it came to shedding her baby weight, saying: "I danced for 22 years of my life, hardcore, every day, seven hours a day, so I'm lucky that [my body] likes to snap back to that shape as long as I put a little effort into it, but I'm really active."
The star, who currently appears in TV show Witches of East End, added that her workouts include cardio, strength training and Pilates, while she also enjoys hiking and combining looking after Everly with exercise by squatting and lunging while carrying her around the house.