La Toya Jackson, 68, sparks concern over ‘vulnerable’ social media post three months after the death of her beloved brother Tito

La Toya Jackson sparked concern among fans with her latest social media post.

The Jackson family’s middle daughter, 68, shared a video of herself enjoying the sights of Qatar on Instagram on Saturday.

In the clip, La Toya donned a figure-hugging black jumpsuit and gold heels as she walked around her hotel and posed against the backdrop.

She captioned the clip: “Happy holidays guys! Welcome to Qatar! #Qatar #doha #fun #work #instagood #life #hoildays #photooftheday #love #latoyajackson’.

Still, fans were quick to point out that she looked slimmer than usual, taking to the comments section to share, “LaToya hunnie (and I ask this VERY respectfully and lovingly) what is going on? You look TOO weak! I know a lot of people notice it but are afraid to ask or bring it up.’;

‘I pray she is well’; ‘Aunt Latoya Jackson, you always look beautiful…please don’t lose more weight aunt…God’s blessings always’; ‘I hope you are doing well’; “Ummm LaToya, I pray you’re doing well.”

The fifth child and middle daughter of the Jackson family is still active in the entertainment industry, but chooses to stay out of the spotlight and rarely makes public appearances.

She gave fans a behind-the-scenes look with her 2011 memoir Starting Over, and she’s appeared on multiple reality TV shows, including Life With La Toya.

MailOnline has contacted La Toya representatives for comment.

The post comes after La Toya paid tribute to her beloved brother Tito, who suffered a fatal heart attack on September 15 at the age of 70.

Two days later, she shared a video with her brother with the caption: “The last memory of my brother Tito, a kind and gentle soul!

‘He tried to capture this moment with his phone to pass it on to someone. We will always love you, Tito!’

She attended his funeral last month alongside niece Paris Jackson and nephew Bigi (formerly known as Deken) in Glendale, California.

Tito told his friend Terry Harvey Maltbia that he “couldn’t breathe” and “wasn’t feeling well” moments before he was rushed to a hospital in New Mexico, where he later died of a heart attack.

Terry, who is also Tito’s business partner, told DailyMail.com that he and the singer were in Gallup, New Mexico and stopped for dinner before hitting the road again and heading to Jackson’s ranch in Oklahoma.

Terry, Tito and another friend, Ronald Balfour, were on a road trip to California, where the trio planned to pick up Tito’s vintage cars from his home.

“We just finished eating turkey and chicken, laughing and talking,” Terry said. ‘We were putting the top on the convertible because it started to rain.

‘Then Tito came back to the passenger window and said, ‘My chest hurts. Can you help Ronnie finish the top?”

Tito is survived by his nine grandchildren, as well as his three sons – Taj, 51, Taryll, 49, and TJ, 46 – from his 16-year marriage to Delores ‘Dee Dee’ Martes, which ended in 1988.