While little is definitively known about St. Mary Magdalene, except from a few brief passages in scripture, her actions speak very loudly of her faithfulness to Jesus Christ.
She must have led a very deep and holy life to be close to Jesus at his crucifixion and to have visited his tomb on the day of his resurrection.
Here is the collect prayer for her feast, which asks God for help in imitating her example.
Almighty, ever-living God,
your only-begotten Son Jesus Christ
made Mary Magdalene the first herald of Easter joy.Grant that, following her example and helped by her prayers,
we may, in this life, proclaim the living Christ,
and come to see him reigning with you in glory.Through our Lord Jesus Christ, your Son,
who lives and reigns with you in the unity of the Holy Spirit,
God, for ever and ever.Amen.