Liliana Catia dos Santos Aveiro, also known as, Katia Aveiro, (October 5, 1977) ^[10] who once went by the artistic name, Ronalda, is a Portuguese singer, television personality, and business owner in the country of Portugal. ^{[3] [5] [7]} She has released many singles throughout her career including, "Boom sem parar". She is the sister of Fútbol superstar Cristiano Ronaldo. ^{[10] [9]}

Katia Aveiro was born and raised in Funchal, Madeira Islands to parents Jose Dinis Aveiro and Maria Dolores dos Santos. ^{[17] [7]} She is the second youngest child of four. Her siblings are Elma, Hugo, and Cristiano Ronaldo. Elma went on to become an Instagram star with over 300,000 followers. ^[7]

During her young life, it is said that she and her family were lower class people who were considered to be in poverty.

Her father was a municipal gardener and her mother was a cook.

^{[8] [9]} She has great-grandmother Isabel De Piedade was from Cape Verde. ^[19]

She graduated from Dr. Horácio Bento de Gouveia School in Madeira.

^[17] After graduating High School, she worked an array of different jobs which included helping her mother run a restaurant and other activities.

^[19]

Supportive of her brother Ronaldo's athletic achievements as an up and coming star for Manchester United, she became a part of his support circle and one of the people he trusts most. She continues to form part of his inner circle and often attends gala events in support of her brother. ^[19]

In 2005, Katia began her singing career in Lisbon with the name, "La Ronalda". ^{[7] [6] [4]} She has since released several albums and singles throughout many years and continues to release new music each year. Her fourth album Boom Sem Parar was produced by RedOne, who has also produced music for stars like Lady Gaga, Enrique Iglesias, and Jennifer Lopez.^{[7] [18]}

In 2008, Katia wrote a song with her brother, Cristiano Ronaldo called “Alive in the Hope of Seeing You”, with lyrics that honor their father Dinis Aveiro, who died in 2005.

In 2015, Katia also made a bid to represent her country at the Eurovision Song Contest in Sweden. The campaign helped her rapidly grow her social media following. Unfortunately, Portugal pulled out of the competition. ^[25]

Katia has competed on a number of reality shows including the 2014 season of Supervivientes and the 2015 series of Dança com as estrelas. ^{[27] [10]}

In 2014, she also competed against Gandía Shore star and winner Abraham Garcia on Supervivientes: Honduras.

^[10]

As of December 4th, 2019 Katia Aveiro has over 1,000,000 followers on Instagram where her account, @katiaaveirooficial, is filled with selfies, family shots and events. On Twitter, where she goes by the handle @Katiaaveiro, she has more than 91,000 followers. ^[3][5]

In 2018, she opened a restaurant near her hometown in Funchal called Cascatas e Girassóis. The restaurant is located at the Marina shopping mall. ^[11]

In 2017, Katia and her mother released a book of recipes called Receitas da minha querida mãe. ^[18]

Katia lives in Lisbon with her two children with her ex-husband, José Pereira. Their names are Rodrigo and Denis. ^[7]

She is believed to have dated Cláudio Coelho in 2013 and António Camelier a few years later.

She enraged her brother when he learned that Katia had slept with Cláudio Coelho in Cristiano Ronaldo's bed at his luxury house in Peneda-Gerês National Park. ^[24]

In 2019, Katia announced that she was pregnant with a daughter and the father is Brazilians businessman, Alexandre Bertolucci. ^[26]

Her father died from an alcohol-related liver condition at age 52 and her mother was diagnosed with breast cancer and later recovered. Katia has several tattoos adorning her wrists, forearms and midsection. ^[24]

Katia has always stood up for her family, on December 3rd 2019, Liverpool defender Virgil van Dijk joked that Cristiano Ronaldo was "not really a rival" in the Ballon D'Or award voting. Percieving Dijk's comment as shade, Katia jumped into the feud, saying: ^[28]

Katia went on to troll Dijk by saying: ^[28]