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Need To Know > World > Teen influencer stabbed to death ‘by boyfriend’s jealous ex’ in knife fight outside bar
Maria Luiza Costa da Silva, 18, allegedly stabbed to death by boyfriend's ex Kallyne Santos outside Recife bar. Teen influencer with 28,000 followers died Saturday.
World

Teen influencer stabbed to death ‘by boyfriend’s jealous ex’ in knife fight outside bar

William McGee
Last updated: February 3, 2026 2:07 pm
William McGee Published February 3, 2026
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Maria Luiza “Malu” Costa da Silva. (Picture: Jam Press)
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A teenage social media star was allegedly stabbed to death by her boyfriend’s ex as they left a bar.

Maria Luiza “Malu” Costa da Silva and her boyfriend, Gabryel Nascimento da Silva, were leaving the bar on Saturday night (31 Jan) when they ran into his ex-girlfriend, police were told.

The woman, Kallyne Santos da Silva, was allegedly carrying a knife.

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An argument broke out, and Kallyne, 21, allegedly began stabbing Malu.

Gabryel, 27, tried to defend his girlfriend but was stabbed in the thigh.

During the struggle, Malu managed to grab the knife and stabbed Kallyne in the abdomen.

A passing motorist drove the couple to an urgent care centre in Recife, Brazil, but Malu, 18, did not survive her injuries.

Kallyne fled the scene but was later found at an urgent care centre in nearby Jaboatão dos Guararapes, where she had sought treatment for her own injuries.

Maria Luiza Costa da Silva, 18, allegedly stabbed to death by boyfriend's ex Kallyne Santos outside Recife bar. Teen influencer with 28,000 followers died Saturday.
Maria Luiza “Malu” Costa da Silva and Gabryel Nascimento da Silva. (Picture: Jam Press)

She was transferred to a hospital in Recife, where she remained in police custody on Monday (2 Feb), in stable condition.

Police are investigating the case as a suspected homicide and attempted homicide, as reported by Need To Know.

Malu was popular on Instagram, with more than 28,000 followers, and often shared photos of her numerous tattoos.

Gabryel is distraught over the killing and is calling for justice.

He paid tribute online: “I love you with all my strength. This pain will never be healed. I loved you like no one else and received a loyal and sincere love.”

He also clarified: “What happened here was not because of a man, but because of envy, cruelty and cowardice: a cold-blooded murder.”

READ MORE: Tourist in critical condition after being struck on head by speedboat propeller

Maria Luiza Costa da Silva, 18, allegedly stabbed to death by boyfriend's ex Kallyne Santos outside Recife bar. Teen influencer with 28,000 followers died Saturday.
Maria Luiza “Malu” Costa da Silva. (Picture: Jam Press)

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TAGGED:BrazilCrimedeathInfluencershockingshot deadstabbedworld news
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