Kate Beckinsale, 50, reveals she's STILL hospitalized as she gets a visit from a friend - two weeks after sparking health concerns

Kate Beckinsale remains hospitalized with a mystery ailment — two weeks after first revealing she had been admitted.

The Underworld star, 50, shared photos of herself from her hospital bed on Thursday with her 5.6million Instagram followers.

The London native, who was dressed in cat-patterned pajamas, received a visit from her close pal  Jonathan Voluck.

Voluck has his arms wrapped around Beckinsale as they posed together with their faces in a peanut-shaped pillow.

Despite spending weeks in hospital, Beckinsale looked to be in good spirits as she smiled with her BFF.

Kate Beckinsale remains hospitalized with a mystery ailment — two weeks after first revealing she had been admitted

As part of her IG slideshow, the mother-of-one included a photo of a stunning rainbow that she could see from her hospital room.

She also revealed that she's currently reading the book Grief Is For People by Sloane Crosley as she continues to mourn the recent loss of her stepfather Roy Battersby.

The caption on Beckinsale's post on Thursday consisted solely of emojis, including a middle finger emoji and a teary eyed face.

Beckinsale was forced to spend Easter in hospital as she uploaded photos of herself wearing bunny socks in bed on Sunday.

The two snaps feature a pair of legs wearing fuzzy white socks with bunny faces, as the star captioned the post: 'Happy Easter.' 

The holiday greeting comes after Kate shared tearful selfies from a hospital bed in an emotional Mother's Day post.

Kate did not share details on her health struggle. MailOnline has contacted her representatives for comment.

The actress has also been grieving the death of her stepfather Roy - who died in January after suffering 'a massive stroke' while battling two forms of cancer - and has also been caring for her mother Judy Loe, who is battling significant health issues as well.

A source claimed to ET that Beckinsale 'hasn't been doing or feeling well' but is 'doing her best to take care of herself.'

In a Mother's Day post earlier in the week, Kate shared a slew of snaps of Judy tucking into cake and enjoying champagne as well as images of herself on the ward and her dogs playing.

The Underworld star, 50, shared photos of herself from her hospital bed on Thursday with her 5.6million Instagram followers

As part of her IG slideshow, the mother-of-one included a photo of a stunning rainbow that she could see from her hospital room

She also revealed that she's currently reading the book Grief Is For People by Sloane Crosley as she continues to mourn the recent loss of her stepfather Roy Battersby

She captioned the images: 'Happy birthday and UK Mother's Day this last week to my incredible mother. Thank you to those that love us and support us when it's s**t and try to make sure there are some bits that aren't.'

Kate continued: 'And for looking after our dogs when we can't, and lead us to remember happy things when we can't.

'And turn up when we are sick and sit with us.. And send balloons and check in and pull us out of wells with love.

'Thank you for loving us, those who do ,and for the amazing, kindest Nick, and especially for my mother's capacity for joy. It is so inspiring and beautiful.

'Happy everything mama. Your fight for joy despite also welcoming tears is the experience of watching a warrior up close. I love you x'

In recent months, Kate had been caring for her mother and late stepmother after flying them out from the UK to stay with her in Los Angeles.

'Kate has been caring for her parents, who both have serious illnesses, for most of the year,' a source exclusively revealed to DailyMail.com late last year. 'She brought them to her home in LA and has made looking after them her number one priority.'

On January 10, Kate announced the death of stepfather Roy aged 87.

The insider revealed that the Snow Angels star — whose biological father Richard Beckinsale died in 1979 at 31 from a heart attack in his sleep — has been feeling the emotional toll in recent months.

Kate Beckinsale sparked concern once again as she shared selfies from a hospital bed on Saturday night

The 50-year-old actress took to her Instagram to post pictures of herself wearing bunny socks in bed, nearly two weeks after she revealed she had been hospitalized for undisclosed reasons 

The Underworld star has yet to disclose why she had been hospitalized 

The day prior, Kate received a visit from one of her beloved cats 

'She was spotted this week several times crying in the corridors of UCLA hospital,' the source added. 'Her friends are very concerned that she has been under relentless strain for months and hardly sleeping or eating.

'Kate appears to be very strong but this has been incredibly hard and, given that she lost her father so young, is affecting her very deeply. Her friends are concerned for her own health.'

A second source explained that her mother Judy has chosen to keep her health battle private, stating: 'She's extraordinary, you wouldn't even know by looking at her. She has been keeping a very positive attitude throughout everything.'

Last month, Kate shared a picture of Roy's order of service that revealed he was cremated on Monday February 19 at Mortlake Crematorium near Kew in west London.

She also shared another look at the document which had a sweet message on, along with more snaps of Roy.

It read: 'We wish to thank you, our family and friends, for your loving support and being with us today to honour and commemorate Roy.

'Please join us afterwards to celebrate him and his life, share memories and stories, and inevitably miss him, knowing how much he would enjoy such a get-together'.

The actress, 50, is grieving the death of her stepfather Roy Battersby - who died in January after suffering 'a massive stroke' - and has also been caring for her mother Judy Loe

Kate shared a snap of her friend Nina keeping her company in hospital during her stay 

Last month, Kate shared a picture of Roy's order of service that revealed he was cremated on Monday February 19 at Mortlake Crematorium near Kew in west London 

Kate's actress mother Judy married Roy in 1997, 18 years after Kate's father, Porridge star Richard Beckinsale, died (pictured in 1986) 

Kate's mother Judy married Roy 18 years after Kate's father, Porridge star Richard Beckinsale, died.

Roy enjoyed his own successful career as a director, working on major British on-screen hits including Inspector Morse and Cracker. His most recent directorial credit was for a 2006 episode of A Touch Of Frost.

Kate's biological father Richard Beckinsale was best known for his roles as Lennie Godber in the BBC sitcom Porridge and Alan Moore in the ITV sitcom Rising Damp.

He also had a daughter — Samantha, 55 — who is his only child from his marriage to Margaret Bradley.