The court heard how the attack was the culmination of six-month campaign of abuse by her former partner Anthony Riley, 26, whom she had dated for seven years.
Prosecutor Andrew Jackson told Ipswich Crown Court that, months before the attack, Riley had hatched a plan to have his girlfriend stabbed in the face.
Not content with the injuries he had already caused, he later orchestrated for his 39-year-old co-defendant Leon Thompson to hurl acid attack over his victim, the court was told.
Riley, whom Miss Bellis dated for around seven years, also posted a revenge porn sex video on Facebook in a bid to cause 'complete and utter shame and humiliation'.
Mr Jackson added: 'After their relationship ended, Mr Riley became consumed with jealousy at the prospect of her becoming involved with another man. He decided to control her by disfiguring her.'
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She has since undergone several operations for skin grafts and facial reconstruction surgery which is likely to continue throughout her life.
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On the night when Miss Bellis was stabbed in the face, the court was told how Riley allegedly asked her to meet him, before guiding her down an alleyway.
There, Thompson allegedly launched the attack, the court heard. Mr Jackson said Riley then chased Thompson, who gave him a minor injury to remove suspicion.
After posting the Facebook video - something which Riley admitted - he then started making plans for the acid attack, the court was told.
Jurors heard how he convinced Harrison to carry out the attack and demonstrated the strength of the acid to him by dropping a live mouse into a jar of the liquid.
On the first attempt, Harrison poured the acid away and told Riley he had dropped it, the court heard.
He also failed to follow through with a second attempt on August 13, after which Riley allegedly told him he had 'one more chance'.
Prosecutors say a hooded and masked Harrison eventually completed the planned attack the following day.