Summer’s gone and winter’s quickly taking over, and with that, the grey and gloomy weather is back. Wouldn’t it be nice to be able to just push a button and instantly feel uplifted and happy, and to be able to do something fun?

Recent studies are upending the age-old belief that emotions just happen to us. In fact, it’s just the opposite. We often choose which emotions we'll experience. The problem is, we don't realize exactly how we bring these emotions on ourselves.

If you’d like to be happy more often, there are things you can easily do, from simply moving your body, talking to someone and our favourite, getting outside and seeing new things.

Want to brighten up your day? Here are five entertaining and diverse things you can do in London that are sure to bring a smile to your face.

The NESCAF? AZERA Gallery at the Old Truman Brewery in Shoreditch

The NESCAF? AZERA Gallery

Wake up, have a good stretch and start your day the right way with a cup of NESCAF? AZERA coffee.

Not only do they make great coffee, but they have teamed up with graphic design students at to design and produce limited edition collectable coffee tins – which will be sold in retailers nationwide.

The brand agency Twelve developed the ‘Nescafe Azera by Design’ campaign to highlight the craftsmanship and creativity inherent in the premium coffee brand.

There’s also an immersive experience which will be live the weekend of October 20-21 at Old Truman Brewery in Shoreditch, bringing to life three of NESCAF?’s nine designs in an immersive way which is also great for the ‘Gram.

See celebrity houses all over the capital

Celebrity house spotting

Thanks to its extravagant neighbourhoods, expensive shopping outlets and convenient transportation options, London is a prime choice for celebrities who are looking for a home base in the UK.

As a matter of fact, all you have to do is walk down a busy street in London during the peak of the afternoon to bump into a celebrity without even knowing it.

If you're hoping to do some celebrity watching in London, or even scope out some of the luxurious homes your favourite celebrities used to live in, head to places like Richmond Hill and see Mick Jagger’s house, or Camden Town to see where the late Amy Winehouse once lived.

The Lee Valley White Water Centre was used for the London 2012 Olympic Games

Lee Valley White Water Centre

This London 2012 Olympic Games venue is open to the public for adrenalin-fuelled white-water rafting, canoeing and kayaking sessions – riding the rapids that challenged the world's best makes for an action-packed experience.

On the centre's raft adventure, you'll be high-siding, spinning and nose dunking on the Olympic Standard Competition course before you know it. Just try and wipe that smile off your face afterwards.

See London's city skyline from Hampstead Heath

Hampstead Heath

The great outdoors will always brighten up your day and the capital’s got many beauty spots. Hampstead Heath is one of the largest parks in London, covering a massive 790 acres. It sits atop of one of the highest points in London, offering excellent views of the city from Parliament Hill.

The Heath features grassy fields, wooded areas, and a number of large ponds. It is the best place to experience nature in London with plenty of wildlife around and small woods in which to get lost. Just fill up a flask with NESCAF? AZERA coffee to take with you and watch the world go by.

This article was produced in partnership with?NESCAF? AZERA?for ok.co.uk