GREENSBORO, CALIFORNIA: TLC's hit body-positivity show 'My Big Fat Fabulous Wedding' star Whitney Thore was seen getting sick at a Swiss glacier in the new season's trailer. Thore and her family took a trip to Switzerland in an attempt to help their father Glenn Thore cope with the loss of his wife Barbara Thore.

During the course of their visit, they get stranded at the glacier as the train that was supposed to take them back malfunctions. In an attempt to return home safely, they are forced to avail an emergency helicopter.

Glenn is seen expressing his concern as Whitney faces medical complications owing to the high elevation. Glenn painfully remarks that he doesn't want to lose his daughter after losing his wife.

What is 'My Big Fat Fabulous Life' star Whitney Thore's current weight?

Whitney has been taking slow and steady strides throughout her inspiring weight loss journey. Currently, her weight has stabilized around 300 pounds.

She expressed her joy at this achievement, stating that this is the first time she has reached this weight threshold in over a decade.

'My Big Fat Fabulous Life' star Whitney Thore supports father Glenn after mother Barbara's death

The new season brings about many changes in the Thore family, the most important being Whitney's proximity to her father Glenn in providing him support after her mother Barbara's death.

Whitney acknowledges that her mother's death has left her father in a prolonged state of mourning from which he must be pulled out. Toward this end, Whitney and her brother Hunter Thore think of things to add to Glenn's bucket list.

The two siblings then embark on a journey that sees their father getting a tattoo, taking to adventure sports, and visiting a glacier in Switzerland.

'My Big Fat Fabulous Life' star Whitney Thore meets her half-sister for the first time

The trailer for the 11th season has revealed that Thore visited her half-sister Angie for the first time in her life, accompanied by her father. In the trailer, her brother Hunter can be seen remarking that he is still adjusting to the fact that their father had a daughter outside of wedlock.

New episodes of 'My Big Fat Fabulous Life' season 11 can be watched by tuning in to TLC every Tuesday at 9 pm EST.