There's so much going on in the world of celeb couples!

From Katy Perry and Orlando Bloom to Blake Lively and Ryan Reynolds, we're bringing you the latest update on Hollywood's hottest romances.

Katy and Orlando are still going strong! Yesterday we told you all about the couple's visit to Children's Hospital Los Angeles. The cute duo even dressed as Mr. and Mrs. Claus for the occasion!

The couple has gotten so close, they're even teasing each other on social media.

Yesterday, after Orlando posted a #TBT photo from his Lord of the Rings days 15 years ago, Katy commented on it and compared him to a certain A-list celebrity.

Take a look at the E! News video above to find out which star Katy compared Orlando to and to see the latest update on more celeb couples!

Don't miss E! News every weekday at 7 and 11 p.m.

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