Melissa, who played Lucy Beale from 2004 until 2010, shared the news to her Instagram, along with a picture of her and her fiancé and a picture of her engagement ring.
Melissa captioned the post “ISaidYaass @mrrobertbrendan,” along with a series of hashtags.
Friends and fans rushed to congratulate the actress.
One wrote: “Congratulations x.”
Another commented: “Lovely news.”
Another said: “Oh wow, so pleased for you! Congratulations X.”
Melissa played Lucy before actress Hetti Bywater took over the role in 2012.
During Melissa’s time as Lucy, her storylines included becoming a rebellious teenager and a teen pregnancy.
When Lucy was 13, she dated 18-year-old Craig Dixon. When the pair attempted to run away together Craig assaulted Patrick Trueman.
When Craig started pressuring Lucy for sex, she panicked and told her dad Ian that Craig had assaulted Patrick and Craig was arrested for attempted murder.
At 16 Lucy fell pregnant with Leon Small’s baby.
Although she originally decided to have the baby and let stepmother Jane adopt it, she later changed her mind and chose to have an abortion.
After cheating in her GCSEs Lucy left to live with her Nan in Devon.
Melissa was reportedly fired after soap bosses grew tired of her off-screen behaviour which allegedly included underage drinking.
Lucy returned to Albert Square in 2012 played by Hetti.
In 2015, Lucy was killed off in one of the soaps biggest ‘whodunnit plots’. After 10 months of viewers waiting, the killer was revealed to be Lucy’s little brother Bobby Beale.
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