Complex sentence: Alexia Echevarria was originally a main Housewife in the first season, became a Friend of the Housewives in the second season and return to the third season as a main Housewife.
Split into simpler sentences: Alexia Echevarria was originally a main Housewife in the first season, but became a Friend of the Housewives in the second season. She will return to the third season as a main Housewife.