The phrase "bella vita" translates from Italian into the English adjective phrase "beautiful life", with "vita" meaning 'life', as in the phrase "la dolce vita", which means 'the sweet life'. This root, brought into English via Latin, can be seen in English words like "vitality" and "vital".
Your phrases, with "bello/bella" (indicating a male or a female love, respectively), translate as 'beautiful love'.
Your phrases, with "bello/bella" (indicating a male or a female love, respectively), translate as 'beautiful love'.