Hyderabad, Jan 30: Actors Naga Chaitanya and Samantha Ruth Prabhu, who made their relationship official last year after being romantically involved for nearly three years.The wait is finally over! The most lovely couple of Tollywood officially changed their status to engaged . After being in a relationship for last few months, the Naga Chaitanya-Samantha couple exchanged the rings a while ago.In a event confined to close friends and family of Akkineni s, the Ye Maaya Chesave pair engaged as per both Hindu and Christian traditions. Also, for the first time, actor Nagarjuna took to twitter to announce their engagement: "#Chaisam It s official now. My mother is my daughter now. Couldn t be happier!!more pics to come". And he also posted a pic featuring the entire Akkineni clan, including his second soon-to-be daughter-in-law Shriya Bhupal, who will marry his younger son Akhil.Akhil wrote that "My brother and my new sister! I m the happiest thammudu in the world. Love you guys !"On the special occasion, while Samantha wore a specially designed sari by Kresha Bajaj, Chaitanya was suited up.