Chrissy Teigen is too ''tired'' to get intimate with her husband.

The 'Sports Illustrated' model insists she still has a ''passion'' for John Legend but says, following the arrival of their second child, son Miles, they are too worn out to enjoy themselves backstage after one of his concerts.

She told Women's Health magazine: ''If he performs somewhere, and I go, I'm like, 'Oh he's sexy.' It doesn't matter who you are, even if you're a sexy R&B crooner or an ex-swimsuit model, you're just tired. We still have that passion for each other, but are we doing it randomly in a dressing room? No! We'll get back into it again.''

Meanwhile, Chrissy - who also has two-year-old daughter Luna with John - previously confessed to once having a ''jealousy fuelled meltdown'' on the set of one of John's music videos.

She wrote: ''Fun fact, I had a jealously-fueled meltdown visiting this video set and made an asshole out of myself to a large group of people. Oh you want to know more, do you? Let me try to remember. 10 years is a long time!

''Ok after a brief refresh with john, I have pieced together small bits of information ... it began with our friends (john's managers and co-writers and a couple others) talking about how BEAAAAAAUUUUTIFUL some of the women were ... and they were! But in my mind they not only were talking about it, they were talking about it on purpose to rile me up. Looking back and knowing how well I know them now, THEY WERE DEFINITELY RILING ME UP AND GETTING A KICK OUT OF IT

''I was watching the monitor with all the guys and someone, I can't remember who, said, ''ooooooo look at that girl with john ooooooooo!'' so I watched the monitor like a psychotic (tarantula) hawk and in my mind, oh he was in trouble (sic)''