Just because Khloe Kardashian's family left her behind to flock to France, doesn't mean the reality can't show off her own behind!

The 30-year-old donned some super sheer leggings for a spin around her a Los Angeles gym today. Whether it was by accident or on purpose, the tallest Kardashian really highlighted her round rump with those oh-so-tight pants!

For her trip to the gym, Khloe brought a banana and a big bottle of water to quench her thirst. In additon to the see-through pants, the reality star wore a long-sleeve shirt and carried her belongings in an on-trend backpack.

Earlier today, Kendall joined mom Kris Jenner and sisters Kim and Kendall at Cannes Lions in the South of France. Besides Kourtney (who has three kids to look after) Khloe's the only Kardashian who's still stateside (oh and Rob ... but he doesn't count) and not partying in the South of France! Perhaps Khloe's remaining in Los Angeles to comfort ex Lamar in his time of need? Lamar has lost two friends, Bobby Heyward and Jamie Sangouthai, to a drug overdoses in the past two weeks. Many outlets have been reporting that Khloe and Lamar have rekindled their romance in the wake of the deaths. It's possible Khloe is staying in town to comfort the man in her life during these trying times ...