Music
Rex Features
The 'All For You' singer, whose last disc Discipline topped the Billboard chart last year, is expected to release the new record next year.
"I just finished working on the film Why Did I Get Married Too?. I'm looking forward to getting started on my new album!" she wrote on Twitter.
Jackson parted ways with her record label Island Def Jam Records last September, reportedly unhappy with its efforts in promoting her LP.
The star released her self-titled debut album in 1982 and has gone on to sell over 100 million records worldwide.
More: Janet Jackson, Music
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