Kelly thanks Lisa Osbourne

Kelly Osbourne

Kelly Osbourne has thanked her sister-in-law for being so strong with her brother Jack.

Taking to Twitter earlier today on Jack and Lisa Osbourne’s first wedding anniversary, Kelly couldn’t hide her emotions.

Jack, who was diagnosed with multiple sclerosis in 2012, has a daughter Pearl Clementine with Lisa. Pearl was born just before Jack was diagnosed with MS.

“#HappyAnniversary @JackOsbourne & @MrsLisaOsbourne I love you both so much! Lisa YOU ARE MY SISTER thank you 4 being so amazing to Jack! (sic)” she tweeted to her 3.3million followers.

The pair have been through a recent heartache when Lisa miscarried the couple’s second child last month.

Despite having to battle through hard times, Jack took to his Twitter account to celebrate one year of marriage with an upbeat and positive message.

“Happy 1st Anniversary @MrsLisaOsbourne this year has been a riot. I’ve loved every minute of it. :-) <3 (sic)” he gushed to his fans.

Jack is currently starring in American reality TV show Dancing with the Stars.

His professional dance partner Cheryl Burke recently admitted that 27-year-old Jack is reluctant to dance to any of his dad Ozzy’s songs.

“Jack has been such a joy to work with – even though he won’t let me choreograph a number to one of his dad Ozzy Osbourne’s hits.

“He says it’s a super cheesy idea. But if I had his permission, I would totally come up with a routine for us to rock out to Ozzy!” she wrote in her Life & Style blog.

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