The Regina Caeli is a Marian antiphon to be sung or recited in place of the Angelus during the Easter Season. (From Easter Sunday until Pentecost)

The Regina Caeli (English)

Queen of Heaven, rejoice, alleluia.
For he, whom you did merit to bear, alleluia.
Has risen as he said, alleluia.
Pray for us to God, alleluia.

V. Rejoice and be glad, O Virgin Mary, alleluia.
R. For the Lord is truly risen, alleluia.

Let us pray: O God, who gave joy to the world through the resurrection of thy Son, our Lord Jesus Christ, grant we beseech thee, that through the intercession of the Virgin Mary, his Mother, we may obtain the joys of everlasting life. Through the same Christ our Lord. Amen.

The Reginal Caeli (Latin)

Regina coeli, laetare, alleluia.
Quia quem meruisti portare, alleluia.
Resurrexit sicut dixit, alleluia.
Ora pro nobis Deum, alleluia.

V. Gaude et laetare, Virgo Maria, Alleluia,
R. Quia surrexit Dominus vere, alleluia.

Oremus: Deus qui per resurrectionem Filii tui, Domini nostri Iesu Christi, mundum laetificare dignatus es: praesta, quaesumus, ut per eius Genetricem Virginem Mariam, perpetuae capiamus gaudia vitae. Per eundem Christum Dominum nostrum. Amen.