She did a one-year Master Training course at START Kozhikode.

She did her higher studies at St Peter's Senior Secondary School, Kadayiruppu. Sebastian was born to Babycd Devasia and Shyla Babycd at Cherupuzha, Kannur, India and raised in Angamaly. She has appeared in many successful films including Premam (2015), King Liar (2016), Pa Paandi (2017), Kavan (2017), Iblis (2018), Virus (2019), Brother's Day (2019), Kotigobba 3 (2021) and Shyam Singha Roy (2021).

She made her acting debut with 2015 Malayalam film Premam, and Tamil with Kadhalum Kadandhu Pogum (2016), and in Telugu with Premam (2016). That scene was only saved by its irrelevance to the plot.Madonna Sebastian is an Indian actress and playback singer who primarily works in Malayalam and Tamil films. The best scene in the film is when a paunchy character actor dies, and is stuffed into a coffin at best designed for a svelte fashion model, leaving the audience to rue the scriptwriter editing away the compelling scene in which his arms would need to be sawed off to fit the grave. There is no real plot development or dive into the characters, which even the lovers of the MGR model of macho screen romance would find hard to empathize with. The screenplay mainly consists of seven or short-film like sequences of bizarre behavior, offset by a momentary apology and close-up shots of the protagonist's pained face, to set up the next. The only mildly redeeming feature of the film is the locales, which Mani Ratnam's films are known for, though they scarcely do much to assuage the unwitting unfolding of the portrait of an acid attacker as a young man. If relationship abuse were were required to be flagged with a written warning accompanying the scene (as the Indian government requires for scenes with characters drinking or smoking), the film would have a second layer of subtitles. With each missed warning signal of 'Run, Leela, Run' the educated, independent doctor is endeared more and more by the egregious excesses of her fighter pilot suitor.

The film, mostly told in flashback, is an endless array of abusive segments pegged as somehow romantic and indicative of the intensity of the fighting man. Prisoner of war VK (Karthi) reminisces about his romance with an army hospital doctor, Leela (Aditi Rao), while plotting his return to India. There is a line between portraying an abusive relationship as problematic, and showing it as glorious.

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