I have used a king duvet with insert on a Queen bed to get more of a "bedspread" length with a "sink in" feel.

I always use king size spreads on all queen size beds. I hate dealing with bed skirts.

I use mattelasse box spring covers. Have both the ones that have five sides and the those that go around the edge with hook and loop closures. I find the latter difficult to use. I have also used zippered box spring covers where dust and bugs were an issue.

I almost always use a king comforter or coverlet on a queen bed I also dislike bedskirts .

Get rid of the box spring and use a slat foundation instead. Here is one from Ikea but you can get them in other places https://www.ikea.com/us/en/p/luroey-slatted-bed-base-00160215/

Using a king on a queen works wonderfully! Still a problem with a king 🙁. I have a used both box spring covers that cover the whole thing and also ones that “cling” around the box spring. Like the unfussy look of the “cling” ones but doesn’t really stay in place very well.

Also...if you are getting a King duvet to fit into a King cover, measure the cover first and get a King that will FIT it. Not all Kings comforters are the same size.

Definitely get a king size comforter. It appears to be too small for the bed.

Love the bedding.

Return the headboard and frame…may I say…cheap look?

Consider this frame instead from West Elm.

Headboard?

Choose art.

Can you remove the supports and sit the boxspring on the floor?

Nice to hear I’m not the only one who always uses king duvet or coverlet on queen beds :)

I’m on team king on a queen! Also not a fan of bed skirts. I’ve used fitted sheets on a box spring to cover them up and tie them into the rest of the bedding.