Here’s How Britney’s Fiancé Really Feels About Her ‘Waging War’ With Jamie Lynn Over Her Book

Pour one out! After working together for two seasons on Netflix’s Sweet Magnolias, the show’s leading ladies are just as welcoming and friendly as their onscreen counterparts.

Britney Spears and Jamie Lynn's social media feud continued on Monday as the pop star seemingly called out her sister for being "so cruel" in an Instagram post. Spears, 40, re-shared a video of herself working out.The "Toxic" singer wore a bright yellow cropped top and black shorts.

Jamie Lynn Spears looked back on a devastating event in her life over the weekend as she marked the anniversary of her daughter Maddie's accident.MORE: Sweet Magnolias fans boycott season two amid controversyMaddie was just eight when an all-terrain vehicle she was in flipped over into the family's pond, resulting in her being airlifted to hospital.Looking back five years on, Jamie shared a photo of herself with Maddie lying in hospital, alongside a heartfelt message.VIDEO: Jamie Lynn Spears in Sweet Magnolias season twoThe Sweet Magnolias actress wrote: "SWEET MAGNOLIAS going to #1 so fast was a real life dream coming true, but I must say, I do not think it’s a coincidence that today is also, the 5 year 'miracle anniversary' of our sweet Maddie’s tragic accident."MORE: JoAnna Garcia Swisher shares her delight at Sweet Magnolias latest achievementMORE: Sweet Magnolias: see the cast and their real familiesShe continued: "Maybe, it’s just a little reminder to remain faithful through the good times and the bad times. I mean, I had nothing when I thought I lost my baby girl, so my faith was literally all I had left to cling to."I thank God everyday for the extraordinary medical professionals, all the prayer warriors, and the countless angels in heaven, and on earth who made our miracle possible." Jamie Lynn Spears shared a heartbreaking photo of Maddie in hospital back in 2017The mother-of-two added: "Fast fwd to now, and I can’t even begin to explain all the ways, that this show and the many wonderful people who create this show have been a saving grace to me.

The feud between Britney Spears and her sister Jamie Lynn Spears keeps growing, now that the iconic sister claims the Nickelodeon actress should take a lie detector test.The 40-year-old artist posted a lengthy message sharing her thoughts on Jamie Lynn’s best seller book, declaring that the timing of her book release was “unbelievable,” refering to Britney’s new found freedom following the end of her 13-year conservatorship, in which she experienced difficult and traumatizing situations.Britney went on to accuse her sister of lying, posting a video from a recent episode of ‘The Real,’ where the hosts talked about the information in Jamie’s new memoir ‘Things I Should Have Said.’“National best seller ???? DUH…. the timing of your book was unbelievable Jamie Lynn … especially knowing the whole world had no clue what was really done to me !!!!” Britney continued, “My whole family including you is saying YOU DIDN’T KNOW ….

The war of words between Britney Spears and Jamie Lynn Spears is seemingly not going away anytime soon, as the “Toxic” singer once again slammed her sister as “scum” over her memoir, Things I Should’ve Said.

Britney Spears and Jamie Lynn Spears is seemingly not going away anytime soon, as the «Toxic» singer once again slammed her sister as «scum» over her memoir, .Britney took to Instagram on Friday and posted a lengthy caption in which she goes after Jamie Lynn for a myriad of reasons, from the timing of her book and sarcastically congratulating as a «best seller» to accusing her of lying.

Adding fuel to the fire. Amid Britney Spears and sister Jamie Lynn Spears’ latest social media drama, the Grammy winner has seemingly taken it up a notch.

The Spears family drama isn't dying down. Britney Spears took to Instagram on Friday to ream out her younger sister Jamie Lynn Spears for coming out with a memoir about her family at such an "unbelievable" time. "National best seller ???? DUH ….

Britney Spears has branded her sister Jamie Lynn as "scum" in another furious rant.Toxic singer Britney, 40, hit out at her younger sibling Jamie Lynn, 30, as she shared a clip of The Real talkshow hosts discussing Jamie Lynn's recent book release.The talkshow hosts were seen defending Britney in the clip as one says: "If you wanna clear your name who is it important to clear your name to? Your sister or the masses of people?" Britney then hit out at her sibling in the caption as she wrote: "National best seller ???? DUH Get exclusive celebrity stories and fabulous photoshoots straight to your inbox with OK!'s daily newsletter. You can sign up at the top of the page.

Holy cow, this may be the most direct repudiation Britney Spears has launched at her sister!

Britney Spears will not be silenced anymore! The “Baby One More Time” singer slammed her sister Jamie Lynn Spears once again as her tell-all book Things I Should Have Said continues to clear shelves. In a scathing Instagram post, the singer mimicked her sister’s new title as a “National best seller.” “The timing of your book was unbelievable Jamie Lynn … especially knowing the whole world had no clue what was really done to me !!!!” She exclaimed. “My whole family including you is saying YOU DIDN’T KNOW …. Bullshit !!!”

Here’s another side of the Jamie Lynn Spears story… from her ex’s family.

Britney Spears has threatened to sue her sister Jamie Lynn if she continues to make ‘derogatory’ statements about her while promoting her new book, Things I Should Have Said.The sisters have been involved in a war of words in recent months and in early January, Jamie Lynn, 30, irked her sibling when she appeared on Good Morning America to promote the book, which includes multiple claims about her relationship with Britney. And as Jamie Lynn's book tour continues, Britney, 40, has instructed her lawyer Matthew Rosengart to issue a ‘cease and desist’ letter.