Viva is not spanish. The correct conjugation is vive su vida, which means Live your life (formally).
"De su vida" in English means "of his/her life."
El ciclo de vida se refiere a las distintas etapas por las que pasa un organismo, desde su nacimiento hasta su muerte. En el contexto de la informática, el ciclo de vida de un software se refiere a las diferentes fases por las que pasa un programa, desde su concepción hasta su retirada.
The expression "Live it up" cannot be translated literally. A similar Spanish expression is "Agárrate la vida" which literally translates to "grab on to your life" and is similar to the English expression "grab on with everything you've got" as it applies to living a more adventurous life. If you mean "Live it up" as in "go to a lot of parties", the best Spanish expression would probably be "Vivo la vida loca" (which did exist before Ricky Martin) and translates to "I live the crazy life."
Su vida.
The cast of Adivine su vida - 1960 includes: Federico Gallo as Himself - Host
Como está su vida?
Jesús te ama. Dió Su vida para usted = Jesus loves you. He gave his life for you.
Where does your mother live.
Enrique Arbelaez Perez has written: 'Su Vida y su Obra'
Antonio Monlau Gisber has written: 'Verdi, su vida, su arte'
Consuelo Berges has written: 'Stendhal y su mundo' -- subject(s): Biography, French Novelists 'Stendhal, su vida, su mundo, su obra'
My life is in your hands Audame.