I had the same answer as Miss Philippines and I was adamant about staying Catholic but you never know down the road you might change your mind just as I did.
Alhamudulillah, God made it easy. I fell in love with the religion and I fell even more in love with the man as it made me understand him more about why he is how he is and why I love him so much.
If two ppl really love each other, then they should do what's the absolute best for BOTH of them. So in my opinion, not changing religion can be a bit selfish. My fiance may have been fine with me staying Catholic but I wouldn't be able to deal with his true feelings knowing that ultimately changing my religion (Catholic to Islam) wouldn't hurt anyone.
I had never imagined the joy on his face the moment I said my Shahadah (testimony of faith) and from that moment I knew that we're going to have a well balanced, beautiful life full of love, respect and strength.