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Sharon Osbourne appeared on Conan Tuesday night, maintaining the same energy and positivity we've come to expect from The Talk co-host even in the face of her son Jack's recent multiple sclerosis diagnosis.

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"My son will conquer," Sharon said emphatically when asked about her son's status.

Conan O'Brien passed along his well wishes to Jack, as a fan and friend of the family.

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"It means so much," Sharon responded, thankful for the goodwill that the family has received following Jack's public announcement.

Jack will appear on The Talk tomorrow to talk about his diagnosis.