First u have to open PicsArt application.the. Later click plus icon. After that u have to select Background image.
PicsArt app link
Image link in below and slide some and click the add photo option select your photo and click the cut out photo and tap the arrow symbol click the brush icon and erase the background of your photo after that erasing click the right symbol after that put your photo in a position. And again select add photo and select another photo and do the same process erase this photo background also and 1 photo put in background & another one photo put on that background photo click the second photo and click the opacity and do some opacity low.
Lightroom App Link
And add the another photo after that select shadow Black colour png that png link also given below through you can download from there. Put that png im down side of the photo and click the right symbol and save that Photo. After that open the Lightroom application select the photo Which you have to Edit in PicsArt Application after that process click the light option and follow this contact 4 highlights 4 madness 1 darkness 5 white 4.
And click the color option after that saturation 4 Hue 1 luminous 4 percent for red colour and after that Colour and adjust the color grading for your photo and after that process Do some slide click the clarity option and increase the details And increase the clarity last and final increase the vignette and click the save symbol to save the image in gallary.