Risen with Christ
United with Christ by Baptism, believers already truly participate in the heavenly life of the risen Christ, but this life remains "hidden with Christ in God." The Father has already "raised us up with him, and made us sit with him in the heavenly places in Christ Jesus." Nourished with his body in the Eucharist, we already belong to the Body of Christ. When we rise on the last day we "also will appear with him in glory."
Source: Catechism of the Catholic Church (Vatican.va)